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He Cock Too Big For Her Gotdamn Cunt

His was a coke-bottle's (they liked to joke it was a cock-bottle), round and flared at the tip, then a bit more narrow, then thicker and thicker until even he couldn't get his hands around the base.

Doe, Horse, Hyperphallic, Impregnation, Messy, Size Difference

Peas in a Pod Part 3

As more and more of the clear, potent liquid began flowing from the twins' fully boned cocks, the cloud of musk that filled the central plaza became thicker and thicker.

Ball Growth, Cock Growth, Gay, Hyper, Hyperphallic, Muscle, Muscle Growth, Transformation

Bone Deep

Blood was thicker than water, and family ran bone deep.

Deevolution, Facial Hair, Father, Foot Fetish, Footplay, Gay, Incest, M/M, Male, Masturbation, Muscle Growth, Neanderthal, Oral, Solo, Son, Transformation, caveman, masculinization, tf

Taking from Gnarl

Gnarl could feel something underneath the cloth, a thicker mass of heated flesh, the dragon's tail?

Cat, Dragon, Growth, Muscle Growth, Shrinking, Size Difference, Size theft, Teasing

BROS! BROS! BROS! pt. II

He could see what romeo was doing all that moaning about, inch by inch rigby's cock was getting thicker and thicker, almost too much for him to fit his lips around.

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The Queer Couple: The Transformation

Sure enough, his cock had visibly grown at least an inch and a half; it was slightly thicker, too.

Bizarre, Cock Growth, Growth, Human, Jackal, M/solo, Magic, Masturbation, Muscle Growth, Muscles, Transformation

Spice of Life

The fog of his mind got thicker and thicker until there were basic sparks of impulse and little else. yes. good. hard. fast. deep. more. more. more.

Anal, Canine, Gay, Human, M/M, Male, Oral, Pet, Pet Play, Pup play, Reality warping, TF, Transformation, animal anatomy, dog dick, erotica, fetish, gear, master

Nothing Ventured

The thicker tendril from before coiled around each of her breasts greedily before it slipped down past her waistband. the denim fabric fell to the floor in ribbons as the tendril tore it from her body.

Anal, Belly, Breasts, Cum, Cum Inflation, Double-Penetration, Dp, Dubcon, F/F, Fellatio, Fox, Goo, Hypno, Hypnosis, Hypnovember, Kitsune, Lesbian, Mind Control, Nipples, Oral, Restrain, Semi Consensual, Slime, Tentacles, Trance, Vaginal, Vulpine, sapphic

Dad's work

It was 3times thicker than his own. steve heard this and looked down to see tommy there. "oh hey tommy we were just going to have some fun want to join?" steve asked the little kid.

Age Play, Cock Growth, Cub, Horse, M/M, Rhinoceros, Spooge, Threesome, Wolf

The Tentacles of Altec Cave

A huge tentacle slit weregarurumon in half, another thicker one grabbing exveemon by his leg and rising him in the air. the thicker tentacle began to spin like a drill, and exveemon closed his eyes, waiting for the end.

Deep Penetration, Digimon, Dinosaur, Double-Penetration, Dragon, M/M, Muscles, Oral, Romance, Tentacles

Tales from the Nexus: The Candy Man

Right before his eyes, he watched as the hairs on his arms grew thicker and thicker, covering the network of veins that he now displayed.

Bear, Canine, Equine, German Shepherd, Horse, Labrador, M/M, M/M/M, Male, Muscle Growth, Muscles, Naga, Orca, Snake, Threesome, Transformation, Weight Gain

Chronicles of a Dog-Lover - Part 2

With such a gigantic orgasm the monster husky grew in every direction; taller, wider, thicker, longer... his canine shaft that had been long enough to stick out the front of his legs had shot out bigger too.

Canine, Feral, Hyperphallic, Kangaroo, M/M, Tentacles, Transformation, Zoophilia, drool