Sort by
Relevancy

Free Stories

100%
The Big Tiddy Goth Girl
Hannah and I went to the pool in my apartment complex. This was my first time dressed as female in public and I was loving my new, feminine tan lines. To keep a long story short, while tanning we were perv'd on and approached by a guy calling himself Mark. He was desperate for our attention and fumb... Read full Story
KaceyKlarissa 2024-02-23 4,598 Crossdresser Big Tits Cumshot Masturbation threesome Big Cock Shemale and Girl small cock big ass sissy femboy cum on tits goth
81%
A LadyBoy For My Wife
I have been happily married to my sexy Thai wife Lisa for three years now. My wife is Thai is petite (5'1") with a stunning figure, a tight ass and long waist length black hair. We had met in a bar in Thailand and subsequently we were married back here in the UK. She was very loving with m... Read full Story
shemale lover 2012-06-23 10,615 Group Sex Masturbation shemale Ebony facial
100%
Masturbation fantasies 2: Looking for Amanda
Previously: William, a young lawyer who has no luck with women, decide he needs some relief from a live girl. Scared of going with a prostitute, he decides to try out a peep show first. Without knowing that the stripper he chose is kind of special, he ends up in a show with a shemale called Amanda w... Read full Story
ThatEroticWriter 2019-07-24 8,815 Big Tits Cumshot Masturbation threesome Frottage
0%
Looking-Glass Ladyboy
I was taking a walk to stay--all right; I'll admit it--to get in shape, when I saw the "Going Out of Business" sign in the second-hand furniture store a block north of my condo. I wasn't in the market for anything, new or used, but I can't resist a bargain, and what was better for finding ... Read full Story
shemale lover 2011-10-29 7,537 asshole Fetish Ladyboy
100%
Catching up with the biggest cock
I have recently written with an account from my diary about the biggest cock that I’ve ever seen and someone saw the experience and wanted to know more as I had said that I met him a few times. So, I can bring that right up to date now because I have recently been to see him again. But let me go bac... Read full Story
lkusex 2021-06-03 10,654 Masturbation Big Cock Ladyboy domination self sucking Ass to Mouth Vintage
80%
intimate Cousins
My favorite cousin and first lover, Billy, was just released from prison and I was anxious to see him. I am ecstatic that he is out, and I am thinking about all the past fun we had as I prepare to revisit those good times. Tommy knows all about my relationship with Billy and he understands my need t... Read full Story
Regina10 2022-05-13 5,929 Stockings Crossdresser Cumshot Masturbation Bareback Blowjob Big Cock Ladyboy Guy Fucks Shemale Ass to Mouth cum in mouth double anal
96%
True story about a ladyboy first timer fucking her customer's as
Those of You that dream about having a beautiful Asian ladyboy fuck your ass will certainly love this naughty story posted by our reader Tommy where he got his asshole violated by a cute ladyboy. Did I mention that she was a first timer and Tommy was her first customer? Hi, me again with anothe... Read full Story
shemale lover 2015-03-05 10,336 anal cum Asian
100%
ladyboy Yaqi
After graduating, she began to wear women's clothing to work all day for a month. After Yaqi went to work in this company, she had to wear tight dresses and stockings and high heels every day. After a long time, she also got used to the close-fitting feeling of wearing pantyhose. More importantl... Read full Story
Victor Chen 2023-03-23 4,787 Asian Ladyboy
96%
Ladyboy surprise in Bankgkok
A few years ago I went to Thailand for the first time, my first stop was the bustling city of Bangkok. I had heard stories about the nightlife, the girls and the tourists. The country had never appealed to me that much but through a twist of fate I ended up visiting the city of sin for a couple of d... Read full Story
Gracemel121 2021-03-25 11,718 Amateur Shemale Fucks Guy Big Cock Asian Ladyboy cum in mouth
91%
Masturbation fantasies: Amanda, queen of the peep show
A guy visits a peep show with unexpected results. As he gets to watch a girl with something special, he discovers his hidden desires. This story contains: peep show – voyeur – gloryhole - fake tits – group masturbation – male masturbation – shemale – frottage - titfucking When William finall... Read full Story
ThatEroticWriter 2019-07-24 8,388 Big Tits Cumshot Masturbation Uniform Frottage
81%
Ladyboy Switch Story
I am messed up with how I feel about this. I still love looking at women. I love tits and arse. I like the soft feel of women – kissing them and feeling their bodies. I don’t look at men in public and get turned on – men with clothes on do nothing for me. Put me somewhere that I can see those same m... Read full Story
shemale lover 2015-02-27 6,926 Cumshot suck Shemale Fucks Guy Ladyboy ass fucking swallowing
80%
fuck by my best friend's family
= Part 1. Alice's father = My name is Onikky 28-year-old Shemale from ASIAN, this story only shares the first experience of making love. The story begins when I first moved to a big city, looking for a new atmosphere, I don't have a place to live that I know is only my friend's name Alice who ... Read full Story
Onikky 2019-06-25 9,263 Amateur Masturbation Big Cock Asian Ladyboy gangbang Lingerie domination Guy Fucks Shemale Sex Toys Homemade Ass to Mouth cum in mouth
100%
A Big Celebration that goes sides for me
I'm reading my book when she enters. I hear a clatter of keys and I look up, to see framed in our little entry way the tall figure of my roommate. She's standing there as in triumph, legs planted apart, her face all smiles. I smile too. Geena never looks this happy, I've never seen this side of her.... Read full Story
ASSEaster5678 2018-09-14 3,669 Ladyboy party Surprise
50%
A Married Marilyn
"Class is dismissed. Don't forget the project due…" "Huh, what?" Marilyn woke up disoriented from her nap. When she finally came to, she vaguely remembered some project for Intro to Computer Science, gathered her legs from the chairs in front of her, dusted off her b... Read full Story
shemale lover 2012-03-18 7,084 Group Sex Masturbation sucking Sex Toys
92%
MY Party Favor Fantasy
My Party Favor Fantasy A fictional story built around an old fantasy of mine I ran a notice on one of those sex sites that said” Help me fulfill my fantasy and I bet we take care of some of yours also. Hi there, I am Penny and I am a total bottom trans w... Read full Story
pennypenny 2019-01-08 7,176 Stockings Crossdresser Group Sex Cumshot Masturbation Bareback Creampie Fetish threesome Blowjob Big Cock gangbang Lingerie redhead domination Guy Fucks Shemale Sex Toys Ass to Mouth cum in mouth double anal
50%
lust of a sex-agenarian nana-pops
Frenzied lust of a sex-agenarian nana-pops; between dream and reality I had never fantasized of a manly man, even after offering my virginity; to a fabulous sissy. Before my new Era, my fantasy preferences were always with glabrous he-she’s, same about my relationships after… BUT BUT BUT… My last t... Read full Story
hippocampus_171 2023-07-09 4,592 anal Small Tits Amateur Group Sex Masturbation Guy Fucks Shemale Sex Toys Mature small cock big ass sissy femboy
66%
Be My Bitch
After a long day at work, I get in my car, and look forward to the long drive home. It gives me time to unwind and relax. I try to forget about the hectic office and concentrate on my beautiful girlfriend waiting at home with that warm smile that she greets me with when I get there. However, tod... Read full Story
Go Balls Deep or Go Home 2018-08-06 31,180 Crossdresser Outdoor Bareback Blowjob Big Cock Ladyboy Lingerie domination Guy Fucks Shemale Interracial Sex Toys Ass to Mouth cum in mouth
96%
A Night of Lust
I was out at a night club with a few friends, and we were there for for a while before I noticed this sexy, rather short girl across from me at the bar looking over. I could tell, even from this distance that there was something special about her, I wasn’t sure what that was quite yet though. The mo... Read full Story
JessicaEdwards 2018-08-07 18,092 Stockings Amateur Cumshot Masturbation Bareback Creampie Shemale Fucks Guy Blowjob blonde Big Cock Lingerie deepthroating Guy Fucks Shemale cum swallowing deep throat deep penetration cum swapping pov Ass to Mouth cum in mouth anal fuck sloppy virgin ass
100%
Got my ass pounded in Miami by a tranny escort
Got my ass pounded in Miami by a beautiful tranny escort with a 10 inch thick cock. Years ago I was in Miami for a business trip. Four days just me in my hotel room. I decided to treat myself to some of the X rated channels that my hotel provided. As usual I went straight to the tranny porn.... Read full Story
My Shemale Attraction 2023-01-03 6,639 Amateur Big Tits Masturbation Creampie Shemale Fucks Guy Blowjob
50%
An alumni gathering like no other
An alumni gathering like no other; Sea/Sand/Sun' and why not 'Sex' in a vancancy club; we got together to celebrate the 40th anniversary of our 1st meeting at university. The only rule was to come without a partner to relive our 'frosh' days. with friends of whom I had lost all trace, a... Read full Story
hippocampus_171 2024-06-13 654 anal Amateur Masturbation Blowjob Sex Toys Mature small cock big ass Ass to Mouth cum in mouth
50%
I and the old man's story 后面中文
I am from Chongqing, a boy who loves his father. When I was young, my neighbor aunt always said I looked like my sister, like a beautiful girl. At that time, my family was relatively poor. My Sister, my parents, and my family of four lived in public rental housing of less than 30 square meters. Star... Read full Story
Oldslut Sissy 2024-04-15 8,364 Crossdresser Amateur Masturbation Asian Ladyboy Guy Fucks Shemale Mature small cock Homemade sissy chinese teen (18+)
85%
Fucked by indonesian ladyboys
this is a true story of what actually happened to me in bali When i was 17 i was on holiday in bali, indonesia. i'd only had sex once prior, with a genetic girl, and i barely managed to get hard and wasn't able to cum so i knew pussy wasn't for me. i had been clubbing several tim... Read full Story
shemale lover 2014-09-17 60,872 suck Bareback Asian Ladyboy ass fucking
100%
Bangkok Night with Thai Ladyboy Dancer
I was visiting Thailand back in the 90s and was blown away by the “Potpourri” of sites, sounds, and smells (not all of them good) of this city. Beautiful women were at every corner and very friendly to foreigners. I went out with a group of guys on the town after dark to check out the go-go bar scen... Read full Story
AllenB 2022-04-20 5,690 Shemale Fucks Guy Asian Guy Fucks Shemale rimming bottom ladyboys cum in mouth top Versatile
50%
Lady Regina
I know that many say that I I’m a coward because I am comfortable living in the closet as a part time female and not expressing my special female side completely. My friends all tell me to go out and have fun and not worry about what people say or think. In spite of that, and because of the prudish... Read full Story
Regina10 2022-07-01 4,911 Crossdresser Big Tits Masturbation Bareback Fetish Blowjob Ladyboy gangbang Lingerie Guy Fucks Shemale Mature pov
95%
My TS Journey
I'm a straight, married guy in my 30's, at least that how I appear to everyone that knows me. I have an intense obsession with Trans women that I have been indulging since I was a teenager. Over the years this fixation has grown into something that ranged from watching porn initially, to having my a... Read full Story
iconicirish 2022-10-26 8,105 Amateur Shemale Fucks Guy Big Cock domination cum in mouth escort ts
100%
Groped on the Bus!
In real life I do not crossdress in public, I am not yet comfortable being my true transgirl self, I wear normal men's clothes and I look like a guy. So I look very different from my persona here. So...there I was standing among dozens of strangers at a bus stop. I kept looking up from my phone ... Read full Story
Chrissy Tunnell 2023-03-22 4,924 Small Tits Masturbation Fetish Big Cock Ladyboy Guy Fucks Shemale Frottage
100%
My Afternoon With Venus - Part II
My mind was still spinning from the out of this world cock sucking I'd just experienced at the expert lips of my exotic little doll as she led me by the hand into her bedroom. Her pink summer dress was draped down onto her waist so now it was only just covering her cute little derriere. As I wa... Read full Story
funpics 2018-03-23 13,315 Amateur Shemale Fucks Guy Asian Ladyboy Guy Fucks Shemale Homemade
91%
HOW MY AUNT AND SISSY NEPHEW CHANGED MY LIFE FOREVER! (fictional
It was the very first night of my month long North Carolina July summer vacation stay when my Aunt Meg suddenly entered the bedroom that I was temporarily sharing with my younger cousin Rudy. Being so openly effeminine in his body language,voice and looks, I had already planted such dirty thoughts ... Read full Story
CDDIXIE4U 2019-01-08 33,152 Teen (18+) Crossdresser Cumshot Masturbation Bareback Shemale Fucks Guy Fetish Blowjob Big Cock Ladyboy Lingerie domination Homemade Compilation cum in mouth shemale + shemale
80%
What I like
I like cum from cocks, a copious creampie dripping from a pussy, or licked off a warm body. I'm an older guy but I'm still fit, active and horny all the time. I like to masturbate while looking at porn with a prostate stimulator up my ass, wearing nipple clamps and a cock ring after smoking some pot... Read full Story
SylvesterLeChat 2023-08-15 4,473 Masturbation Creampie Blowjob Big Cock Ladyboy Mature small cock sissy cum in mouth
100%
I need some advice
I’m so emotional today. I haven’t been able to spend quality time with my bf in weeks. Let me explain. Me and my girlfriend both work from home now so I haven’t been able to get away for long to see my side nigga. Today was supposed to be the day we actually got to spend the day together. My girlfri... Read full Story
Wet boy kitty 2021-02-01 2,439 Crossdresser Amateur Cumshot Masturbation Bareback Creampie Ladyboy Lingerie Ass to Mouth cum in mouth
100%
TG Girlfriend moves in
Monday morning 6:00 am and I am just awakening, and I realize a naked body beside me has her arm around me, we are both naked. My wife Lydia is out of town to a seminar, and this adorable brunette perky tits and lovely eyebrows, beautiful lips slightly pink, sleeping beside me. Joanne and I had spen... Read full Story
Jon Paul 2022-01-18 5,061 Amateur Cumshot Latina Masturbation Bareback Creampie Shemale Fucks Guy Blowjob Ladyboy Guy Fucks Shemale cum in mouth
50%
The club
"Okay ladies," Missy said to her guests, "relax and get ready because I have a very special treat for today's meeting!" "What is it?" and excited Jayne asked while removing her sweat shirt and jeans. "Now you know better than to than that" Missy replied with a... Read full Story
shemale lover 2012-05-03 4,463 Group Sex Cumshot Ladyboy fingering Sex Toys
100%
HOW ONE PEEPING TOM MORNING TURNED ME INTO A SHEMALE SISSY BITCH
It was while cutting across his back trailer park lawn around 7pm on misty July Saturday evening, when I first discovered that Mr. Parker was really a fag. How else could you describe a man wearing a long blonde wig on his head while below he wore only a large somehow stuffed pink lacey woman's bra ... Read full Story
CDDIXIE4U 2019-01-08 13,655 Teen (18+) Crossdresser Amateur Cumshot Masturbation Blowjob Big Cock Ladyboy Lingerie domination Guy Fucks Shemale Homemade Compilation Vintage cum in mouth
100%
Hung Trans Lesbians Fuck Two Ladyboys
Note 1: If you like Transsexuals, Trans Lesbians, Asian Ladyboys, Big Cocks, Extreme Cock Sucking, Anal Fucking, Anal Fisting, Semen Swallowing, Role Play, Orgies, BDSM, Cock Sounding and Foot Fetish this story is for you. Note 2: All the characters are over 21. The names are fictitious, but some... Read full Story
darrell 2022-01-03 4,222 Group Sex Big Tits Cumshot Bareback Fetish Blowjob Big Cock Asian Ladyboy Sex Toys Mature cum in mouth shemale + shemale
85%
An Unintentional Fisting
During the last weekend I ended up being busy, which I hadn't planned since that was suppose to be a weekend of anal bliss for me. I had finally ordered two new dildos and I was rearing to take them for a spin. Monday came and the day dragged on while all I could think about were the two black ... Read full Story
Purple Dagger 2018-03-02 6,817 Crossdresser Amateur Masturbation Ladyboy Sex Toys
95%
My best friend turned trans.....so I fucked him - Part 1
Theres a bit of history to this one so strap in! I started hanging out with this group of kids in my area when I was 12 years old, we did all the typical stuff you can imagine young kids getting up to (played football, chased girls etc...) over the years I became really good friends with one of the ... Read full Story
iconicirish 2023-05-11 8,693 Stockings Amateur cock Masturbation sucking Blowjob Big Cock Lingerie Latex transgender sissy
75%
Aunt trip
In 2013, after almost three years of service in Afghanistan, George Madsen, a gay Royal Navy communications petty officer, retired. His experience in the distant deserts had left an indelible mark, the memories of friends lost and challenges faced still burned vividly in his mind. Coming home was n... Read full Story
Rebba 2024-04-25 2,578 Shemale Fucks Guy Blowjob Big Cock Ladyboy Guy Fucks Shemale shemale fucks shemale Fantasy Tale
88%
Seattle Weekend
Saturday morning and such a beautiful day nice and cool morning I went for a run. I consider myself in fairly good shape for my age but I try and make it to the top of a hill in our neighborhood. I get winded fairly quickly. Coming down the hill I ran into a nice looking athletic girl, maybe 38 year... Read full Story
Jon Paul 2018-08-09 9,983 Big Tits Cumshot Bareback Creampie Blowjob Ladyboy Guy Fucks Shemale cum in mouth
100%
Vegas Honeymoon to Remember
I had dated my wife (Carmen) for about 6 months before we decided to Marry. One evening we were soaking in the Jacuzzi together and drinking wine. She always wants to try different things, which makes our sex life wonderful. Carmen asked me if I ever had any fantasies. I said I guess like most me... Read full Story
Jon Paul 2018-05-30 20,311 Group Sex Cumshot Bareback threesome Ladyboy Shemale and Girl
91%
Chicago TG Romance
Most transgendered girls I have met want to be treated and romanced just as a normal girl would. Only in the height of passion should your animal instincts take over. I was in a Las Vegas club earlier this year and had great conversation with some tranny women. I was instructed if I wanted to meet s... Read full Story
Jon Paul 2018-06-04 7,864 Cumshot Bareback Blowjob Asian Ladyboy
81%
A pervy uncle invited me to his house at 10 PM..!
It's been 8-10 years now, I had this amazing experience. I was standing at the bus stop in my area/street(my daily routine), one uncle was watching me but I ignored eye contact as I feel awkward the way he was looking at me because I act straight in public and I felt that he's seen my girly ... Read full Story
Cindy Sky 2021-07-20 7,071 Teen (18+) Small Tits Amateur Cumshot Outdoor Bareback Creampie Fetish Blowjob Asian Ladyboy Mature
88%
Alex and Jon
Alex was not beautiful, but had a sexy attractiveness that most could not help but take a second look. This was the case with Jon as he searched adult Friend-Finder ads for someone that would satisfy his desires and dreams of a companion. Alex, a transgendered Filipina girl, had the bronze skin colo... Read full Story
Jon Paul 2022-09-21 5,195 Group Sex Cumshot Bareback Creampie Shemale Fucks Guy Blowjob Asian Ladyboy Guy Fucks Shemale cum in mouth
50%
Devastating and dominating
Tracy drove the black SUV with her friend Miss K in the passenger side, both of them struggling not to be bored to sleep with the monotonous countryside I-64, the scenery broken up only by the occasional road sign or truck stop. The Madonna CD thumping in the stereo helped matters though, the t... Read full Story
shemale lover 2012-01-29 5,009 Masturbation sucking Creampie Latex fucking
100%
David to Dee
"Dave," she purred, "you know you can tell me anything. Surely you know you can trust me not to judge you by your fantasies." He was squirming under her touch, his eyes tightly shut, trying to avoid telling her his deepest secrets on the one hand, and on the other, hoping beyo... Read full Story
shemale lover 2012-07-29 12,417 Cumshot Masturbation oral sex
92%
Caught in the act...
One summer, my cousin Nancy came to stay with us for a while, as her parents had gone away on a cruise trip. At 18 years old, she was a couple of years older than me and in the full bloom of her young womanhood, so to speak. She knew it, too, and it was obvious that she had no problem at all in pull... Read full Story
caroletv31 2018-04-23 18,821 Stockings Fetish Ladyboy Guy Fucks Shemale Ass to Mouth cum in mouth
100%
First Tranny Experience_Part 2
I had said good bye to her at her door and drove home. I got home at a decent hour and went to bed. The following day at soccer practice, I could only think about how wild a time we had together and began fantasizing about the whole affair when my cell phone went off. To my surprise, it was Kim s... Read full Story
Jon Paul 2018-08-06 4,713 Group Sex Bareback Creampie Blowjob Asian Ladyboy
100%
Florida TG Experience
I had known Jan from High School, we always had an attraction for each other but were dating someone else or married at the time. Jan had actually married a friend of mine and I was envious of course. She at that time had sandy blonde hair, and a body to die for. One evening we had them over for dr... Read full Story
Jon Paul 2018-08-13 10,805 Group Sex Big Tits Bareback Creampie Blowjob blonde Asian Ladyboy Shemale and Girl Guy Fucks Shemale Ass to Mouth cum in mouth double anal
94%
My first Shemale
“Curious? Bi?” Well, yes, but only with a shemale. Beyond that I’m a firmly planted heterosexual. For many years I longed to have sex with a shemale but never did anything about it. (I’m not much of an initiator). The community I live in has lots of shemale beauts; maybe that started my intere... Read full Story
SachinJoy 2018-10-04 32,442 Cumshot Shemale Fucks Guy Blowjob Big Cock Ladyboy cum in mouth
100%
Sissy Femboy Chrissy in Drag 2: At the Apartment
This is Part 2 to the article I wrote called "Sissy Femboy Chrissy in Drag at the Club." In that story I explained how I am 41 but look, feel and sound younger, that I shave myself smooth and like dressing in gurly panties and other female clothes to be a sissy femboy for older guys. A guy I met on ... Read full Story
Chrissy Tunnell 2022-02-03 3,501 Crossdresser Amateur Bareback Creampie Fetish Blowjob Ladyboy Lingerie domination Guy Fucks Shemale Mature
69%
One of my real life stories with a post-op
This wonderful story was published at our forum, and, honestly, it was the first sex story involving post-op tgirls that I read, and I can't hide the fact that, although the girl had no hard one, it was still very exciting! Thanks for publishing it man! I was on vacation in Japan, and I went out ... Read full Story
shemale lover 2015-06-05 9,874 pussy Asian Ladyboy
66%
First Tranny Experience_Part 1
I met a girl that was fantastic, maybe a body builder, but she was a smoker. We became just casual friends when someone told me she was a transgender. She moved we lost touch but that short friendship introduced me to the attraction to transgendered girls. I really wanted to get to get close to some... Read full Story
Jon Paul 2018-08-06 6,886 Group Sex Bareback Creampie Blowjob Asian Ladyboy cum in mouth
100%
Seattle Weekend Part 2
I awakened to the smell of coffee and this beautiful silhouette of a girl standing at the window watching sunrise. I could see through her lingerie the beautiful breast and nipples, and the silhouette of her TG butt which was so sexy looking I was getting hard. I joined Gwen at the window wrapping m... Read full Story
Jon Paul 2018-08-13 6,680 Big Tits Cumshot Bareback Ladyboy Guy Fucks Shemale cum in mouth
91%
My Seductive Secret (True Story)
During my childhood, me and my brother used to play with two other boys who were our neighbors every weekend. One day we decided to wrestle, and I took on the youngest one, (he was about 2 years younger than me, like my brother) and we wrestled in the shed while my bro and his bro (who was my age) w... Read full Story
Chickzdigmeyup 2019-06-18 13,948 Stockings Teen (18+) Small Tits Crossdresser Cumshot Outdoor Masturbation Bareback Fetish Blowjob Big Cock Lingerie domination Sex Toys Homemade cum in mouth
100%
Casino Girl
I had been working as a casino dealer for several years and would occasionally meet some very attractive women and chat. Asian women have always been attractive to me, whether the exotic appearance or maybe because my Mom was Pacific Islander, and a lot of people thought I was Asian. Mia was a bit... Read full Story
Jon Paul 2022-01-03 2,818 Stockings Cumshot Bareback Blowjob Asian Ladyboy Guy Fucks Shemale
100%
Couple and a Tranny
There is a saying that a single man looking for companionship and good fortune will seek someone for marriage. Lydia and I met several months ago on an online dating site. We agreed to meet at a bar restaurant for drinks and initial meeting. She was at the bar wearing a yellow sundress, white painte... Read full Story
Jon Paul 2022-09-20 5,209 Cumshot Outdoor Latina Bareback threesome Ladyboy Shemale and Girl Guy Fucks Shemale Ass to Mouth double anal
100%
Alex Two: The Next Time
Part Two of ??? (there is another series I'll start too, Hopefully its not too repetitive and my fetishes aren't showing too strongly. heh. That is sort of a prequel to this, I guess. I had forgotten about it till just now when I found it in a misnamed folder.) Alex Two: The Next Time.... Read full Story
AlexShouse 2012-07-12 3,150 tranny Crossdresser Masturbation