Sort by
Relevancy

Free Stories

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 34,560 Teen (18+) Crossdresser Cumshot Masturbation Bareback Shemale Fucks Guy Fetish Blowjob Big Cock Ladyboy Lingerie domination Homemade Compilation cum in mouth shemale + shemale
50%
L'INVESTISSEMENT SISSY ⚧️ ⚧️
La fin d'une autre longue journée. Près de 19h00 et Colin Spencer travaillait toujours dans son box, presque terminé avec le dernier des papiers que l'un des associés principaux de la société d'investissement dans laquelle il avait effectué un stage depuis près d'un an maintenant l&#... Read full Story
Femboy 2021 2023-03-21 1,106 Stockings Lingerie domination Guy Fucks Shemale Interracial Sex Toys cum in mouth
100%
Dating my Sissy-sister (English)
You are wearing women's stockings and a thigh-high transparent top, the thin shoulder straps of which leave your arms and shoulders elegantly exposed! You're the real lil bunny to me in that girl outfit of yours... How about, should I teach the little one about the naughty girl? You're giggling a... Read full Story
LulaSissy 2024-09-24 2,893 anal Stockings Crossdresser Cumshot Bareback Fetish Big Cock Ladyboy Lingerie femboy shemale fucks shemale cum in mouth shemale fucks female fucking sissy
100%
Why I’m a Cock Whore!
Hello Love, The summer before my freshman year in high school. I found a VHS porno video right next to a dumpster behind our local video store. Brought it home. Couldn’t watch it until my family left to use the VHS player. It turned out to be a she male porno at first I felt weird but after watch... Read full Story
Samantha Cummins 2023-04-18 6,501 anal Stockings Cumshot Creampie Lingerie femboy Ass to Mouth cum in mouth
50%
SISSY AWAKENING ⚧️ ⚧️
"Hey bébé, quand est-ce que tu rentres à la maison?" le message texte bourdonnait doucement. Sortant discrètement le téléphone de ma poche, je tape "Même heure que d'habitude, juste après 5 heures, pourquoi... quoi de neuf ?" C'est mon amante Sarah, ma meilleure amie et une femme que je connai... Read full Story
Femboy 2021 2023-03-25 1,351 Stockings Blowjob Uniform Lingerie Sex Toys gloryhole cum in mouth cage chastity feminisation forcé maitresse épouse sexe anal
50%
DE BRO À SISSY ⚧️ ⚧️
Mon ami Magnus et moi nous sommes connus presque toute notre vie. Nous nous sommes rencontrés en pré-maternelle, quand nous vivions à un pâté de maisons et demi l'un de l'autre. Nos familles étaient proches et nous avons grandi côte à côte. Nous nous connaissions depuis si longtemps; nous nous appel... Read full Story
Femboy 2021 2023-03-26 1,289 Blowjob Big Cock domination Sex Toys feminisation bbc cum in mouth bdsm scene soumission cocu poule mouillé femme chaude
100%
My wife doesn't believe I'm a sissy maid
It was our normal evening routing. My wife had gone to bed to watch some of her TV programs and I was left downstairs to watch my TV programs. As usual, I was soon logged onto FetLife, chatting with my sissy sisters and a few select men. I am a closeted crossdress, well a closeted sissy crossdres... Read full Story
DeniceD1975 2024-10-23 1,071 Stockings Crossdresser Cumshot Blowjob Uniform Lingerie sissy cum in mouth
100%
Lady In The House Ch. 09
A story by MicheleNylons ( Continued adventures of a cross-dressed prison prostitute. ) I lay there stunned, how had I miscalculated my effect on the Warden? The one man who could guarantee a transfer from this shit-hole; fuck!!!! The cravings of male sexual hunger within the confines of the ... Read full Story
✘Transensual✘ 2019-02-27 6,071 Crossdresser domination Guy Fucks Shemale cum in mouth PRISON FUCKBOY PRISON PUNK prisoner Prison Bitch
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 4,697 Group Sex Big Tits Cumshot Bareback Fetish Blowjob Big Cock Asian Ladyboy Sex Toys Mature cum in mouth shemale + shemale
85%
I Fooled Everyone But the Black Pimp Part 2
He hands me the glass pipe and I put it to my lips. It looked a little like a hash pipe from high school so I ask, “is this hash?” As he puts a torch under the bubble at the end, Marcus says, “Trust me, sissy. This is just what you need. Now when I tell you, inhale very slowly and I’ll tell you whe... Read full Story
cdtampa4u 2023-05-10 5,687 Crossdresser Interracial sissy bbc cum in mouth
100%
The Next Level
Nitromethane It's been a couple of weeks now since I sucked my last shemale cock and swallowed her load, and with enough distractions, it hasn't been too difficult keeping myself preoccupied and my mind off of satiating my new fixation. Still though, I do have my moments when I sit back and imagi... Read full Story
Gwapo67 2022-02-01 6,237 Bareback Creampie Shemale Fucks Guy Blowjob Big Cock gangbang domination cum in mouth
83%
The sissy dreams
Everyday I wake up in a state , halfway between a happy sissy and a closeted white boy. My mind is constantly trapped in that state. Suffering in silence, the people in my life seem to be oblivious to it, I have it well hid. 48 years of fist fights and weed, long hair and leather coats, Oilfield job... Read full Story
badbadboi667 2021-01-04 5,701 Crossdresser Amateur Group Sex Outdoor Bareback Creampie Blowjob Big Cock gangbang domination Homemade Ass to Mouth cum in mouth
100%
Making my CD slut fantasies become real
Having an open mind and saying yes to a TS friends' idea has lead me to discover things I never even knew about myself. I’ve always been into kink, but my adventures as a CD have shown Me that I have filthy perverse cravings to satisfy with people I’ve yet to meet. I enjoy transsexual escorts and th... Read full Story
pinkybrown666 2021-05-20 5,608 Crossdresser Amateur Group Sex Creampie Fetish threesome gangbang Interracial cum in mouth blonde cd
98%
When Fantasy Comes True 2
After my first threesome encounter with Jenni and her friend, getting a golden shower from three trans women was a bonus. Being drunk and now four of us snuggled in bed, i thought the night had ended but i did hope for more. I was not disappointed as Jenni's friend (Sasha) who had been sleeping d... Read full Story
Sara Banks 2018-10-22 12,011 Group Sex Cumshot Bareback Shemale Fucks Guy threesome Blowjob Big Cock gangbang domination Ass to Mouth cum in mouth golden showers golden shower
100%
How I Became His Office Fucktoy
Until this job ended last year, every day at my lunch break I would service one of my many Daddies in his office in the building where I worked. He'd always slip me a few bucks, a $20 or even $50 afterwards, not as a payment for sex, but as a "tip" "for all the hard work you do here," he says. I wor... Read full Story
Chrissy Tunnell 2022-02-18 4,020 Crossdresser Amateur Fetish Blowjob Ladyboy domination Guy Fucks Shemale Mature cum in mouth
100%
I Believe
I Believe I had just started my senior year in college and was in my 3rd year of transitioning from a male to a female. I couldn’t start in high school so when I graduated and I started college I started as Nikki. The first three years working on my communications degree I used to see people goin... Read full Story
ShelleyParker 2024-07-08 3,263 Bareback Big Cock Guy Fucks Shemale Interracial Ass to Mouth cum in mouth
94%
Sissy Slut: Gang Favored
I confess I am a nymphomaniac shemale slut who loves being the object of a man’s desires. That's why I was out here with these hookers trying to hook up with somebody to have sex. I'm either having sex or I'm thinking about having sex most of the time I like being a honey. I love having sex with men... Read full Story
Regina10 2021-03-02 7,810 Stockings Big Tits Cumshot Bareback Fetish Blowjob Big Cock Ladyboy gangbang Guy Fucks Shemale cum in mouth double anal
100%
Deflowering Latina Sissy Destiny
A real life story of my one and only time deflowering someone and being their first real encounter, I was 27 at the time and she was 21. I am absolutely convinced that Trans girls and CDs have a bit of a 6th sense when it comes to perceiving which guys are into them even in a public situation. I ... Read full Story
AllenB 2022-09-07 6,625 first time Big Cock Guy Fucks Shemale Homemade sissy travesti cum in mouth
100%
Castro - shemale goddes
Nobody would have believed the scene was true, her slender, smooth and tanned legs crossed in such a deliberately provocative way as to reveal a glimpse of crisp white panties. Her tightly fitting, classically styled little black dress cut to ensure firm large breasts were displayed to maximum effec... Read full Story
Law12 2018-03-04 5,274 Masturbation Bareback Creampie Ass to Mouth cum in mouth Supernatural
100%
The Interview
The Interview By Sabrina G. Langton *** 'A crossdresser goes on an interview in lots of pink, of course she gets the job' 'Author's note, just a quick little story with some really graphic sex, and a little tiny moral. I hope YOU like it.' *** "Okay, sit, sit, let's get started. S... Read full Story
Brina Giselle 2023-12-04 6,973 anal Crossdresser Blowjob heels cum in mouth pink dress
96%
New Job, New Life as as Sissy Slut
I was nearing my thirtieth birthday and times were getting tough financially. I had gotten laid off from my job and was collecting unemployment and doing some part-time work helping out friends with odd jobs. One of them suggested that I look into cleaning houses. I've always been very neat and peop... Read full Story
shemale lover 2012-12-23 9,767 sucking Uniform domination swallowing spanking
100%
TELLE MÈRE, TELLE POULE MOUILLÉE
Je n'ai jamais connu mon père. Ce n'est pas une excuse pour ce que je suis devenu – et cela ne veut pas dire que j'ai besoin d'une excuse – c'est juste un simple fait que certaines personnes trouvent pertinent lorsqu'elles essaient d'examiner ce que je suis devenu. ... Read full Story
Femboy 2021 2023-02-03 3,596 Stockings Blowjob Big Cock Lingerie domination Interracial cum in mouth
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 31,788 Crossdresser Outdoor Bareback Blowjob Big Cock Ladyboy Lingerie domination Guy Fucks Shemale Interracial Sex Toys Ass to Mouth cum in mouth
72%
First Time Sissy Maid
I had been fantasizing for many years about serving a dominant Mistress, watching lots of movies online, and generally lusting over the doms I saw posting ads. At the age of 28 I finally found the courage to answer a rather intriguing post by an older woman and her trans partner who were looking for... Read full Story
shemale lover 2012-10-27 17,275 first time Fetish Big Cock domination sissy
100%
L'EXAMEN DE LA PROSTATE
Il a finalement pris rendez-vous chez les médecins pour l'examen de la prostate. Sa femme le harcelait depuis des jours, après qu'un de leurs amis eut récemment reçu un diagnostic de cancer de la prostate. En entrant chez les médecins, il a dit qu'il était ici pour un examen réservé p... Read full Story
Femboy 2021 2023-02-02 1,593 Stockings Big Cock Lingerie Shemale and Girl domination Sex Toys cum in mouth
66%
BBC Takes sissy slut and uses her properly.
I'm a dominate alpha man who loves to humiliate sissy girls and punish them when they aren't perfect submissive sluts. I want them to worship my big black cock and beg me to let them lick it then grab them by their hair and shove my cock deep inside their throat, making them gag. I like filling siss... Read full Story
lemondropz 2023-11-27 8,005 anal Crossdresser Bareback Creampie Big Cock domination Interracial sissy submission femboy bbc Ass to Mouth chastity
78%
My Journey and The Pleasure of Fucking a TG/CD/Sissy
I used to think I was crazy. Maybe a part of me thinks I still am. Whatever the case, I'm not going to stop, and I'm going to continue what I'm doing for a very long time. Why? Because it feels so damn good. As I sat there while my latest little Sissy slut was servicing my thick an... Read full Story
JOAT 2018-04-12 12,946 tranny transexual crossdressers sissy t-girl T-Girls sluts
50%
PRIS EN CULOTTE ET DOMINÉ ⚧️ ⚧️
J'adore porter des vêtements de poule mouillée, et je fantasme d'être contrôlée par une maîtresse dominatrice, qui m'oblige à porter ses vêtements, à prendre la bite de son petit ami dans ma bouche vierge, à faire l'amour avec sa grosse bite raide, à la gorge profonde jusqu'à ce qu'il vienne dans ma... Read full Story
Femboy 2021 2023-03-24 902 Stockings Cumshot Fetish Blowjob Lingerie domination Guy Fucks Shemale Sex Toys cum in mouth feminisation forcé poule mouillé
96%
New Job, New Life as as Sissy Slut Chapter 2
I was left lying on the floor, my face completely covered in cum. I was wearing lingerie and a dog collar and I had just been fucked long and hard by my "boss." My virginity had been forcefully taken. The thing is that I loved it. I loved being manhandled by this muscular man and I really ... Read full Story
shemale lover 2012-12-23 7,639 Cumshot Uniform Lingerie ass fucking domination
100%
Sissy For My Flatmate Chapter 2
If you've only just tuned in, here's what's going on in my life. Until recently I was a closet crossdresser trying to keep my hobby from my flatmate. When he caught me in the act, I found out that not only had he known about me for a long time but it was a turn on for him. I agreed to become his sis... Read full Story
shemale lover 2012-08-12 3,904 oral sex cum swallowing sissy
100%
Young Sissy Chapter 1
I don't know how long I was under...days, weeks...who knows, maybe even months. Reality blurred with nightmares as I felt my flesh being cut into by cold scalpels and stuck with needles, filling me with horribly persuasive dreams of a beautiful new body. I tried to imagine myself as a man, just to s... Read full Story
shemale lover 2013-01-04 10,480 sucking Fetish Uniform domination big boobs
90%
I am a sissy maid
Part 1 Around the end of my last high school year, my curiosity for crossdressing had just emerged, but I didn’t explore the fantasies too much as I thought it was just a phase. The following fantasy is something I have dreamed about for years… A friend of mine, Peter, was into the same video ... Read full Story
lea1234 2014-03-27 9,826 Stockings suck Uniform stroking cd
76%
Sissy Ghetto bitch part 1
-The Guys 4 ghetto guys was inside a porn site looking at random sissy babe pictures when they accidently found a picture of someone they know. Like every album they clicked it that specific one with a tranny dressed so girly with mouth open. The guys had such a stone hard erection by watching al... Read full Story
shemale lover 2013-06-01 6,398 suck Big Cock cum jerking gangbang doggy style Interracial cd
100%
How I Became a Tranny Whore
When I was 30 with children at home I would get dressed in the bedroom. When it was time to leave the wife would take the children off for ice cream and as soon as they were out of the drive way I would head for my car. Of course when I returned home the children would be a sleep. The plan worked fo... Read full Story
shemale lover 2011-11-07 4,813 anal Cumshot cum swallowing
100%
A Night of Makeup, Cock and Cum
It was all I could do not to accept. After all, it's been a fantasy of mine for years. When given the opportunity, I had to go for it. I had been surfing the internet for crossdressers, shemales, transvestites and transsexuals. The idea of a hot woman with a cock had always turned me on. Further,... Read full Story
shemale lover 2012-04-18 4,963 Cumshot jerking off domination Sex Toys cum swallowing
93%
Interracial Sissy Story
(Some prior notes about me, this story and my writings: If MALE bisexuality, crossdressing or interracial sex bother you, don't even bother reading this further, much less commenting. Many have had secret fantasies about what it would be like to be the opposite sex, during sex. Some of my influences... Read full Story
shemale lover 2015-05-01 15,621 first time ass Cumshot suck cd sissy make up
100%
Emily's First Daddy
This is a story how a curious male can become a sissy slut seemingly overnight. So I was in an online adult chat just talking with random people and happened to mentioned where I live. Then all of sudden, I got a message from a man calling himself bear daddy. He introduced himself and said he was ... Read full Story
User Removed 2019-10-21 9,255 Crossdresser Amateur Creampie Homemade cum in mouth webcams
100%
TO BE OR NOT TO BE – PART 2
TO BE OR NOT TO BE – PART 2 by Spanky de Bautumn Part 1. Sunny, Mel, and Shari learn they are going to New York to perform a play off Broadway and are really excited about it. Being a small troupe, we unseen members had to wear many hats. Unfortunately, there was just the two of us, Joe Donn... Read full Story
SpankydeBautumn 2021-02-22 3,937 Small Tits Crossdresser Cumshot Bareback Blowjob Big Cock Lingerie Guy Fucks Shemale Interracial cum in mouth
100%
From accidental trans porn addiction to a cum filled booty
One night when I was around 30 or so I was watching some porn, nothing unusual for a guy like me, aka a sex addict. Sex addiction is great if you’re Tiger Woods and swimming in poon, but for guys like me - regular, awkward, slightly handsome in a very boyish way, weirdos — it’s not that fun. We... Read full Story
CDJaneBooty 2022-04-01 10,604 first time Crossdresser Amateur Cumshot Bareback Creampie Blowjob Big Cock gay Homemade Ass to Mouth curious first time with a man
90%
Camming Down the Rabbit Hole Ch. 08
A familiar sensation greeted me as my eyes opened and a yawn escaped my mouth, that oh so delicious feeling of my morning wood straining against my silk night ware. It was becoming an ever occurring pattern that no matter how large the orgasm the night before I would wake with the hardest of cocks, ... Read full Story
Dani_does_Dallas 2021-11-15 4,165 Stockings Small Tits Crossdresser Amateur Cumshot Masturbation Fetish Uniform Lingerie Homemade self sucking pov cum in mouth
85%
A Sissy's New Daddy Chapter 2
I hope you enjoy this second installment of 'A Sissy's New Daddy'. I worked hard on it and hope that it brings all of you the same pleasure reading it that it has brought me writing it. There are some extreme moments in this chapter but also some very tender ones. There was a line in the first piece... Read full Story
shemale lover 2012-06-16 13,112 Creampie oral sissy
100%
Beryl's birthday suit
I tried on my sister's panties when I was 12. They looked so cute, so sexy.. I couldn't help myself. I tucked my dick between my legs and pulled them over my hips, delicately positioning them just like a girl. They felt yummy! When I saw the shiny, lacy pink briefs in the mirror - snug, flat pu... Read full Story
Beryl 2023-12-12 7,679 first time Stockings Crossdresser Bareback Blowjob Big Cock Lingerie redhead sissy cum in mouth
100%
Birth of a New Sissy Part 3 Completion
I suppose at some level I knew it would happen. Or at least I should have. After nearly a month of servicing Jeff's cock and fucking myself silly on my dildo lover things took a turn. I came home from work a little early on a day Laura was off as well. When I got home she was out, but as soon ... Read full Story
shemale lover 2011-11-17 5,378 cum domination crossdressing
90%
Becoming a Sissy Slave
He gave me the choice. He had programmed me for a week and knew which way I would probably choose, but he gave me the choice. I could get out. Or I could continue. It was up to me. On my knees or out the door. It was that easy. Now I had to choose. I guess I should backtrack, first. You ... Read full Story
shemale lover 2012-03-05 17,137 hardcore deepthroating cum swallowing facefucking
100%
When Fantasy Comes True
I have always had this fantasy to be the object of lust for two trannies. But never till date did I think I had it in me to fulfill the fantasy or be ever so lucky. I had one night been invited over by a trans friend for a few drinks. I went over with a bottle of vodka and a few beers. When I re... Read full Story
Sara Banks 2018-09-10 7,938 threesome trans sissy cum in mouth shemale fucks man double blowjob golden shower
100%
Tom Didn't Get A Choice
Tom Didn’t Get A Choice This was Tom and I’s first date. We had met online, so he already knew that I was a very femme sissy crossdresser. Tom eventually asked me on a date. I happily said yes, knowing that I turned him on a great deal. On the evening of our date I wore a black dress that wa... Read full Story
pennypenny 2019-02-18 6,456 Crossdresser Cumshot Bareback Creampie Blowjob redhead Guy Fucks Shemale cum in mouth
81%
Becoming a Sissy - My aunt my Mistress II
There i was on the lobby block, dressed up as a whore with my pants down and my ass plugged, next to me was my aunt, laughing of my boner, my mind went blank for a second not knowing if all this is real but i was interrupted from trance when my aunt shacked me and said that we need to go. I pulled m... Read full Story
sissy emma 2018-08-13 15,540 Crossdresser humiliation slave.faggot mistress orders sissy mistresses
100%
He Could Have R*ped Me!
This guy was so big, taller than me and I'm 6 feet, and bigger, not fat, just right for his big size, and I am so skinny, except for my tummy, that he could have pinned me down and forced himself onto and into me against my will, and no matter how much I'd struggle with him and fight back, he could ... Read full Story
Chrissy Tunnell 2022-02-02 3,067 Crossdresser Amateur Bareback Fetish Blowjob Ladyboy domination Guy Fucks Shemale Homemade cum in mouth
50%
trans=demic
Trans-demic Chinese Flu Sam Wong read the email from Josh Epstein, the partner in charge of the fiendishly complicated real estate deal that had consumed the last three months of their lives. “You’re going to have to close this deal without me. I’m sick as a dog, and my wife just called an ambu... Read full Story
the greatest liar 2024-09-09 1,463 anal Small Tits Bareback Creampie Asian Guy Fucks Shemale small cock Ass to Mouth cum in mouth
90%
How I became a cute femboy CD part 4
My legs finally started to work again and I turned and was about to walk to my bedroom when Kevin’s voice stopped me. “Come on, Natalie, you know you want to. You have been crushing on David ever since he moved here.” “You’re an asshole, Kevin. You know that. You are a total asshole! I tho... Read full Story
Cute_Femboy 2016-04-05 12,762 first time cumming crossdressing cd sissy cumshot in mouth
69%
Sissy School
I arrived at the school at 8AM for the start of my new life. The school had promised a lot when I saw their website but I wasn’t quite sure what I was in for. I had arrived dressed in male clothes with none of my belongings as I had been instructed to on the website. I walked through the gates into ... Read full Story
Sissysophie780 2019-07-04 19,554 humiliation schoolgirl sissy slut punishment School uniform
50%
EROTIC FANTASY PART 1.
The Secret Manor of Lusting Intersexual Ts.Ladys as they enforce males into there training house all too become wimpering shemale sexslaves! I met a Lady once at Bar too which she was very sexy Lady as we had some fun now n then as too get too know each other I slowly tranformed myself into her E... Read full Story
Isabella Coupe 2024-09-25 1,413 Amateur Fetish Uniform domination
75%
The Doctor’s Appointment (a very short BBC sissy hypno story)
Nurse Pip loved nothing more than being stretched wide by her black master. Her silly little white boi brain, so full of pink cotton candy, didn’t need to think as she rode the black god on the consulting room bed. She was dreaming of all the superior black cum she would soon be enjoying, when... Read full Story
SissyPip 2019-02-11 11,032 domination sissy bbc sissification hypno master hypnosis daddy
76%
Open Wide
"Turn your head slightly to the right," she told me. I turned and my face bumped up against her left breast. "Oops, don't you bite that now," she said. "I wouldn't do that," I replied. "You better not 'cause you'd make a hole and I'd fly backward ar... Read full Story
shemale lover 2012-09-01 10,699 Cumshot Blowjob Big Cock Uniform cum swallowing
100%
I take and suck cocs,i am a sissy slut
I used to be a straight guy but i ended up never the less being fucked bareback by another guy then afew of his friends,,anyway as time went on they come back and fuckedme over and over again i started thinking less abot pussy and more about bigger cocks,then i started t suck guys of while taking co... Read full Story
Philislooseass 2024-02-06 6,336 whore slut cocksucker sissy Used cockslut cumdump
60%
Brotherly Love, Sisterly Love Chapter 2
"RACHEL" My twin sister, and sometime brother, and I had been experimenting sexually with each other and crossdressing together for around a month, growing to love and to perfect our new feminine personas until they became the ones we thought of as our true selves. Whenever our parents ... Read full Story
shemale lover 2012-09-28 6,828 Cumshot Fetish oral sex cum swallowing