Sort by
Relevancy

Free Stories

50%
Pa-mie sex-agénaire
Luxure frénétique d’une pa-mie sex-agénaire; entre rêve et réalité Je n’avais jamais fantasmé de mec viril, même après avoir offert ma virginité; mais à une fabuleuse sissy. Avant mon Ѐre, mes préférences de fantasmes étaient toujours avec des lui-femme glabres, idem concernant mes relations d’aprè... Read full Story
hippocampus_171 2023-07-09 846 anal Amateur Group Sex Guy Fucks Shemale Sex Toys Mature small cock big ass sissy femboy Ass to Mouth
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 4,707 anal Small Tits Amateur Group Sex Masturbation Guy Fucks Shemale Sex Toys Mature small cock big ass sissy femboy
93%
Sissy Maddie's New Apartment Gangbang
I’d just moved into the big city. Me on my own in a cheap apartment block. The flat was nothing special by any means, and the room next to mine seemed to be noisy with parties. But I was glad to be on my own. I had almost finished unpacking my belongings when I came across my stash of female clothi... Read full Story
sissymaddiex 2020-09-25 10,005 Crossdresser Amateur Group Sex Cumshot Bareback Creampie Blowjob gangbang Lingerie Homemade sissy cum in mouth double anal
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 5,142 Crossdresser Amateur Group Sex Outdoor Bareback Creampie Blowjob Big Cock gangbang domination Homemade Ass to Mouth cum in mouth
85%
BANGING AROUND BANGKOK
BANGING AROUND BANGKOK: THE AMOROUS ADVENTURES OF CAITLIN "MEOW" MORRISON after living and working in Thailand/SE Asia for many years i decided to write an erotic story based on some of the people i have known, venues and places i have been, and the P4P night-scene where i spent way too much... Read full Story
bkkldby 2019-06-17 14,110 first time Teen (18+) Amateur Group Sex Big Tits Cumshot Outdoor Bareback Blowjob Big Cock Asian lesbian public place
100%
From a 50's virgin to a Mature good for all
***Prologue - Confessions: Every day since I offered my virginity, I put myself in the shoes of a woman. The little town where I live forbids me to show myself socially. However I made myself an accomplice, my epilator who receives me after closing. Since my new beginning, male masturbations are not... Read full Story
hippocampus_171 2023-01-11 4,353 Stockings Crossdresser Amateur Group Sex threesome Big Cock domination Mature foursome Homemade cum in mouth shemale + shemale milfs
100%
My Noisy Upstairs Neighbors Part 3: Making Porn
In Part 2, I recounted how Paul, my commanding upstairs neighbor, coerced me into making porn with him and his younger roommate. Now, I'm excited to share the first video we created together. At 12:45 PM on Saturday, I nervously approached Paul's door. After knocking, Paul opened it with a smile ... Read full Story
Chrissy Tunnell 2024-07-16 825 Crossdresser Amateur Group Sex Bareback Fetish Blowjob Ladyboy gangbang Lingerie domination Guy Fucks Shemale sissy femboy
100%
tiffanylondontv becomes a captive slave prisoner and whored out
I had connected with Master X on a BDSM Fetish contact site. He was the owner of a fetish store and he said that he had been on the BDSM for several years. He had carefully studied my own profile and had seen that I had an immense interest in being used like a slut, being covered head to toe in... Read full Story
__tiffanylondontv__ 2022-09-20 4,489 Crossdresser Amateur Group Sex Fetish Latex Mature
90%
A Sissy (S)exercise Fantasy
I stopped going to the gym about six months ago, when money got tight and I had to find ways to reduce my expenses. I usually don't get to the gym much in the spring or summer months anyway, so it was an easy expense to cut. I hate going into the office all sweaty, so I avoid working out in the morn... Read full Story
shemale lover 2012-06-14 9,325 Cumshot Fetish domination oral sex sissy
100%
Steve
So on AFF, I used to be gold but guys will just hit you up, sooo I got hit up by an 8in boy. Wasn't sure I'd want to prep up an 8 so I didn't get all ripped up, but nice profile and a fucks a fuck sometimes. What to wear to get cum in tonight? Still pretty warm, I'll go mini with tighter leotard (mo... Read full Story
smtmsbrianne 2020-09-16 3,534 Crossdresser Amateur Group Sex Cumshot Outdoor Bareback Creampie Big Cock gangbang redhead Guy Fucks Shemale Ass to Mouth cum in mouth
100%
Camming Down the Rabbit Hole Ch. 11
I sat there for some time, my phone still in hand. I couldn’t fully comprehend the situation and where I was. All this started when I was put on furlough and thought I would be losing my job, an idea born out of boredom, hornieness and desperation. What started as a regular cam show with a guy hopin... Read full Story
Dani_does_Dallas 2022-04-25 4,207 Crossdresser Amateur Cumshot Masturbation Blowjob Uniform Lingerie Shemale and Girl Sex Toys Homemade self sucking pov cum in mouth
92%
Showing my femininity
When I was still little guy, my stepfather always told me I wasn't a real boy, but I was his little girl. One day, he was drinking beer with his friends, so he grabbed me by the arm, pulled my shorts down and showed off my teeny cock to them. I remember that all of them laughed at me. They made fun ... Read full Story
Shemale Dill 2020-04-27 7,954 Crossdresser Amateur Group Sex Blowjob Big Cock gangbang Lingerie
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 5,373 Crossdresser Amateur Group Sex Creampie Fetish threesome gangbang Interracial cum in mouth blonde cd
100%
MY First Time with a non-binary/cross-dresser
After I had graduated high school but before I had left for college: I was hanging out with a friend and a friend of theirs at their friend’s house. For the story let’s call my friend Dan and his friend Charles. We were watching some movie on Charle’s (parent’s) big TV. Charles gets up eventually an... Read full Story
ghostpeople 2019-03-12 7,093 first time Crossdresser Amateur Group Sex Cumshot Bareback threesome Frottage Homemade sissy blow job condomless
100%
my journey down the rabbit hole
The bathhouse was busy tonite, there were at least 20 or more men there when I got in , I paid for my room and walked in past the heavy buzzer controlled black steel door, it slammed tight behind me. casting a cool draft of air that trailed down the small of my back and fluttered over my enama clean... Read full Story
badbadboi667 2020-12-23 5,958 Crossdresser Amateur Group Sex gangbang Interracial Ass to Mouth
100%
Surprise Ending (Part Three)
I rolled my dick around her hole to spread the precum off it and lubricate it. The feeling was sensational and I couldn't spend much time easing my way in --I shoved right in the the hilt in one steady push. Karla practically jumped off the couch and screamed. I thought maybe I had hurt her (I am... Read full Story
Chantel13 2022-08-23 4,327 Crossdresser Amateur Group Sex Cumshot Outdoor Creampie Shemale Fucks Guy Big Cock Shemale and Girl redhead Guy Fucks Shemale Ass to Mouth
100%
Weekend Fantasy
have so many fantasies....the one that gets me lately, is having access to a house out in the middle of nowhere, for a week or weekend, where i can dress up, all day. No one knows of my lustful secret....so the idea of being able to stay this way without thought, gets me so hard and such in the moo... Read full Story
martley 2020-07-20 5,067 solo Amateur Group Sex Masturbation Big Cock Lingerie domination Sex Toys Homemade self sucking cum in mouth double anal shemale + shemale
75%
The journey down the Rabbit Hole...
Nearly 30 years, living a double life. Sneaking around on two Xwives, several girlfriends, all to play with men.Play,and play and play. Responding to personal adds in the paper at first, then I found the Bath House. Wow, to a closeted homophobic acting oilfield lifestyle kind of guy, who could hide ... Read full Story
badbadboi667 2020-11-24 3,258 Crossdresser Amateur Group Sex Cumshot Outdoor Bareback Blowjob Big Cock gangbang domination Homemade Ass to Mouth
100%
A Perfect Pandemic: A Transsexual Transition in a Troubled Time
A Perfect Pandemic A Transsexual Transition in a Troubled Time A Novelette by Alexandra Rios Text Copyright Reserved © August, 2021 Dedication Transgender Day of Remembrance is a solemn occasion. I am offering “A Perfect Pandemic” for free as an antidote to the fear, phobia, discrimination, d... Read full Story
the greatest liar 2021-11-16 5,160 Teen (18+) Crossdresser Group Sex Big Tits Bareback Creampie Big Cock gangbang domination Guy Fucks Shemale Interracial double anal webcams
0%
Tara's Adventures
Part 1 I had met them on line. Marla 1st then her owner Mistress Olivia. We chatted for well over a year and had met for drinks. They knew of my submissive fem side and we had planned meetings on several occasions but things always developed that upset them. Then a period of time developed whe... Read full Story
shemale lover 2012-08-11 5,244 anal Group Sex oral domination sissy
100%
Fender Bender Chapter 9
My name is Robert, I have been cross dressing since I was 14. I turned 18 last summer and this story takes place during my senior year in High School. I am 5'9" 160 pounds, blonde hair and blue eyes. When I am dressed I call myself Vicki. __________ I had met Julie at a recent party. Well... Read full Story
shemale lover 2012-07-27 3,419 Group Sex Cumshot Sex Toys
77%
How I became a cute femboy CD
Chapter 1 Hello, my name is Natalie…well that’s what I named myself when I dress. Before I get started with my story about myself and when and why I started dressing and my first sexual encounters, I would like to give what I hope will be a brief rundown of myself. As I mentioned my name is Na... Read full Story
Cute_Femboy 2016-04-05 45,820 first time crossdressing cd sissy
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 12,453 first time cumming crossdressing cd sissy cumshot 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 4,346 Group Sex Big Tits Cumshot Bareback Fetish Blowjob Big Cock Asian Ladyboy Sex Toys Mature cum in mouth shemale + shemale
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 13,886 Teen (18+) Crossdresser Amateur Cumshot Masturbation Blowjob Big Cock Ladyboy Lingerie domination Guy Fucks Shemale Homemade Compilation Vintage cum in mouth
100%
A Schoolgirl Story Chapter 2
I must apologise for the amount of time that it has taken for the second chapter of this story to come out. I have to admit that I had kind of abandoned it, but all your lovely feedback comments made me decide that I couldn't leave this one hanging. So thank you to everyone who wanted more of Wendy,... Read full Story
shemale lover 2012-06-05 8,515 Group Sex Cumshot oral sex assfucking
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 1,065 Stockings Blowjob Uniform Lingerie Sex Toys gloryhole cum in mouth cage chastity feminisation forcé maitresse épouse sexe anal
50%
The Visit
A visit to a hooker, where I describe my bisexual experiences *** It was a weekday, I had bummed off work and had made my way to Ipswich for a visit to Rona, my favorite hooker. She was a lovely woman in her forties, with a fantastic figure, not slim but not fat and with huge tits. She... Read full Story
shemale lover 2012-01-26 8,310 Group Sex licking sucking pissing fucking
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 3,605 Crossdresser Amateur Bareback Creampie Fetish Blowjob Ladyboy Lingerie domination Guy Fucks Shemale Mature
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 10,184 sucking Fetish Uniform domination big boobs
95%
How I became a cute femboy CD part 2
The game of husband and wife Kevin and I played went on for a little over 2 more weeks before we decided to go even further, I say we but it was Kevin who seduced me into it. We got together in our game as much as we could and it was a lot. I would always dress for him in various outfits and my ... Read full Story
Cute_Femboy 2016-04-05 12,252 first time oral sex nipples crossdressing cd sissy
100%
Darling Nikki Part 2
Chapter 1 - The Morning After The next day, Nick awoke thinking it was just a really messed up dream. When he got out of bed and found that Samantha had unlocked and removed the dress, panties and shoes, but everything else was still on, he was pulled right back to reality. He looked in the mirro... Read full Story
shemale lover 2012-07-15 4,404 Cumshot oral sex sissy
92%
My Dream pt 3
Our first invitation arrived at the end of September. Sydney spotted it first and tossed it into the trash with out looking at it. She didn't tell me what it was and I didn't bother asking. The next invitation arrived two weeks later. This one Sydney opened and after reading it she passed ... Read full Story
Sydney Sun Min 2018-01-04 16,525 Group Sex Shemale Fucks Guy Shemale and Girl Sex Toys
100%
Sissy Femboy Chrissy in Drag at the Club
"Can you wear a dress tonight?" "I can't crossdress in public, I'm not 'out' and don't want to be seen that way." "That's okay. We're going to a gay-only club that has a drag queen show tonight, so you'd fit right in." "Cool, but I'll have to change when we get there." "Awesome! See you tonight!... Read full Story
Chrissy Tunnell 2022-02-03 5,057 Crossdresser Amateur Bareback Shemale Fucks Guy Fetish Blowjob Ladyboy Lingerie domination Guy Fucks Shemale Mature Homemade cum in mouth
100%
Danny bCUMS Danielle
Danny left Dr. Tina’s office as Danielle, dressed in a short summer skirt that showed off his smooth legs and small girlish breasts. Sara was very happy holding Danielle’s hand as they strolled to the car. Danielle went to the passenger side, something HE never did, and got in. Sara hopp... Read full Story
shemale lover 2012-06-20 3,897 Crossdresser Group Sex Cumshot jerking off facefucking
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 7,181 first time Stockings Crossdresser Bareback Blowjob Big Cock Lingerie redhead sissy cum in mouth
100%
Fetish party with a twist
The smell of rubber and latex and the combination of the strobe lighting was overpowering, the techno sound of the club just added to the already intoxicated atmosphere of the place. The club was a frenzy of half naked, latexed, rubberised bodies covered in sweat dancing to the frenzied sound of tec... Read full Story
shemale lover 2011-09-22 4,297 anal sex Group Sex cum Latex
100%
Who's The Sissy Now?
Like many people, I was bullied in school. I was small, slender and effeminate and, as a result, was often called gay, queer, fag and sissy by school bullies. The fact that what they said was sort of true just made it closer to the bone and more painful to hear. Like many teenage boys, I was going t... Read full Story
shemale lover 2012-11-14 6,981 shemale facial oral sex
95%
Proud To Be A Sissy Chapter 8
I woke up to hear daddy lightly snoring and in my sleep I had draped a leg over him so that my body was almost covering him. I giggled to myself realizing that even in my sleep the sissy slut in me reached to grasp his flaccid penis. Then I curled closer up against daddy and contemplated about how m... Read full Story
shemale lover 2012-12-24 9,245 Teen (18+) Crossdresser Uniform Lingerie domination
72%
The Weekend
The weekend A story inspired by the very sweet and sexy samantha satine and my beautiful wife Part 1 - The preparation samantha packed her suitcase with her usual attention to detail, makeup, lingerie, wigs, but no dresses. Her head was confused by this, Master D had given her instructions... Read full Story
MasterofSissies1 2018-12-04 8,693 anal tranny Stockings Crossdresser Group Sex gangbang oral domination Guy Fucks Shemale transvestite schoolgirl School uniform maid uniform
100%
bi to sissy caught and turned
It was during a Wednesday nite supper this past April when Penny my wife of seven years, suddenly looked me straight in the eyes while calling me a GAY COCKSUCKER ! Instantly while I swallowed hard and quickly looked away from her, my worse dreaded fears in life had somehow just become reality! So ... Read full Story
redthongthong 2022-08-02 8,906 Crossdresser bisexual sissy crossdresser forced feminization CAUGHT!
100%
Big Dick Alessia Visits Dallas
Alessia Hung Mature MILF travels to visit a Big Dicked Man and his Sexy Household If you like Transexuals, big cocks, bondage, BBWs, big clits, deep throat, fisting, 69, ass fucking, sounding, piercing, cum swallowing and big loads this story is for you. If not don't bother reading. If you fav... Read full Story
darrell 2022-04-20 4,345 Group Sex Cumshot Shemale Fucks Guy Blowjob blonde Big Cock Asian Shemale and Girl Sex Toys Mature Ass to Mouth shemale + shemale
50%
Freak House Superstar Come Fest
Kiki and Ty Blaze were doing their thing. They were living on their love and passion, literally. The couple had taken their love, passion and desire to please one another and turned it into their livelihood. They had become stars in the world of underground porn. Their production studio, Nasty Nigga... Read full Story
shemale lover 2012-02-01 6,336 anal shemales Group Sex
100%
Dottie's Back
Four weeks had passed since my first blowjob party. In that time, I had become obsessed with getting implants. The concept of being tit-fucked and wearing deep-cut tops without being concerned about the distinct line between my flesh and the fake boobs had become a constant fantasy of mine. After be... Read full Story
shemale lover 2012-11-02 3,853 Group Sex Cumshot facial oral sex
89%
Fem Firm 2 -The Weathergirl
PART 1: A COURTESY CLIENT BLOWJOB Three weeks into my gig at Coxon & Dicster had been a blast. At first, a few of the girls had some reservations about me working there because I wasn't transgendered myself but I guess I won them over with my naturally cheerful personality. At least,... Read full Story
bennyx709 2016-11-14 18,012 big dick anal sex suck Blowjob cock sucking workplace
66%
Cock Sucking Jail Whore
I've always known that I was not meant to be a guy. Being sexual curious I would look at porn mags like any one does. At first it was just magazines with pictures of naked woment. It was when I ran across my first Hustler magazine that my life was changed forever. Seeing pictures of studly guys with... Read full Story
shemale lover 2011-09-17 4,448 Cumshot asshole oral sex
100%
Becoming Sissy
I remember my first true and sober gay sexual encounter. The guy from the party that was my first BJ and first penetration was one of the closest friends of the group. He bought a house up north and 3 of the girls and me went to his house to help paint and work on some things. This was about a mo... Read full Story
xspeeny 2023-04-28 7,676 anal Amateur Bareback Blowjob Big Cock sissy cum in mouth
100%
A Slut is Born Chapter 2
The week went by slowly as I digested what Jim had done to me last Saturday. As I walked around school, I found myself looking at people differently, wondering if any of them had ever been treated the way I had. This would always bring the details of what Jim had done to my mind and my cock would im... Read full Story
shemale lover 2012-06-27 5,543 Group Sex Cumshot Blowjob
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 8,470 Big Tits Cumshot Masturbation Uniform Frottage
85%
A Glory Hole for Tranny G
I am reveling in what a difference almost a year has made. I remember meeting Chris online, exchanging a few funny e-mails, two days after my birthday. No more and no less, just a person somewhere who I had no idea what he was like or looked like, but someone who made me laugh with our e-mails each ... Read full Story
shemale lover 2012-03-07 3,431 Group Sex licking sucking cum gagging
100%
An Afternoon with Marcy
I love the look of an attractive man in drag. The look of a masculine body depilated and dressed up in frilly things really get my blood boiling. Unfortunately, these men are usually emotional wrecks. They carry as much emotional baggage with them as sexy negligees, teddies, and panties. That's one ... Read full Story
shemale lover 2012-11-09 2,967 Group Sex Fetish cum crossdressing
100%
Seven Lessons Part 2
That night he had many erotic images flood into his dreams, lingerie, fetishwear and sex, lots of sex. Hardcore action of all persuasions had filled his sleeping thoughts with him in both the receiving and giving roles. And then there were the bells, the bells were tolling for him. Actually, as t... Read full Story
shemale lover 2011-12-01 3,936 orgasm domination oral sex
50%
REGARDE-MOI MAINTENANT ⚧️ ⚧️
Il y a quelques années, à mi-parcours du premier mandat du président Pelosi, j'ai surmonté mon inclination habituelle à éviter les risques et j'ai accepté une invitation à visiter l'appartement de deux femmes - de parfaites inconnues - qui venaient de découvrir que j'aime porter des culottes. Becky ... Read full Story
Femboy 2021 2023-03-30 1,021 Stockings bdsm Lingerie Sex Toys humiliation feminisation anal play poule mouillé cage de chateté femme lesbienne dominatrices esclavage
96%
Family Frolic
FRIDAY My sister and her husband wanted to take a few weeks off in the sun and asked me to look after their kids for a while. I'd move out of my tiny apartment and into their house for the duration. As I was still living off my severance and they had a nice spread with an indoor pool and a h... Read full Story
shemale lover 2012-01-14 30,965 strapon porn
80%
The Farm
“See you Sunday, baby,” said Marcus Jenkins to his wife, Tasha. “Alright! Have a good day at work,” the wireless phone company retail store manager smiled. “Love you, Kobe! Love you, Tiara,” the wastewater plant operator said to his offspring. “Love you, too, daddy,” the youngsters rang out in un... Read full Story
Faggyboi and Puzziboi 2021-12-08 5,524 Teen (18+) gangbang Guy Fucks Shemale sissy femboy Ass to Mouth
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 6,581 Cumshot Fetish oral sex cum swallowing