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Bet Your Ass

Friendly competition with a side of testosterone poisoning. "water only taste good when you act like an asshole to get to it?" tamati asked. santiago chugged down better than half of what was inside the flimsy plastic bottle.

Anal, Anthro, Anthropomorphic, Aroused, Ass, Balls, Bareback, Blowjob, Blush, Booty, Buff, Butt, Canine, Club, Cock, Cock Worship, Consensual, Cowgirl, Creampie, Cum, Cumming, Cumshot, Deep Throat, Dick, Dog, Doggystyle, Ejaculation, Erection, Explicit, Facial, Fellatio, Fingering, Fondling, Foreplay, Foreskin, Fox, French Kissing, Fucking, Gay, Grin, Grinning, Handjob, Hard-On, Homosexual, Interspecies, Kissing, Kitsune, Licking, Lust, M/M, Male, Male/Male, Mammal, Masturbation, Messy, Molesting, Multiple Species, Muscle, Muscles, Musk, Naked, Naughty, Nipples, Nude, Nudity, Oral, Orgasm, Penetration, Penis, Pre, Precum, Presenting, Riding, Rimjob, Rimming, Seed, Sex, Sexy, Short, Spooge, Sweat, Tail, Tailhole, Tongue, Uncut, Vanilla, Vulpine

Surpassing Greatness

All the testosterone roiling in his nuts was causing his dominance to surge. he lunged forward and forced mark's legs behind his head, the pup far more flexible now that he didn't have all the muscle in the way.

Anal, College, Dominance, Dude bro, Growth, Hyper, M/M, Muscle, Muscle Growth, Muscle theft, Oral, Sabertooth tiger, Size Difference, Size theft, Wolf, bro

Not your usual day at the gym.odt

His testosterone was off the charts, and he was feeling pretty dirty from sweating so much along with the addition of the lube like pre-cum that was dripping from his members slit.

Anal, Collar, Cum, Domination/Submission, Gym, M/M, Masturbation

Manfred's Manly Manor 6

Like a cloud of pure testosterone, warmth hits flynt's face and then he takes a deep breath. all that hidden, manly musk seems to go straight to his loins, stirring his own manhood like never before.

Anal, Blowjob, Boar, Cock, Corruption, Dalmatian, Elephant, Gay, Lion, Musk, Wrestling

The Best and Greatest Story on Yiffstar--err, SoFurry. It has 25 Key things that Make it Great.

He was really horny because he had never had sex before and had so much manly sports testosterone. one day, he was talking to his nerd friend, a fox who was a nerd because he was good at math.

Alpha, Anal, Cock, Comedy, Don't write like this ever, Fox, M/M, M/M/M, Moogle, Parody, Twelve-inches, Wolf

Serum 57

She took blood samples and got hard to work making notes with the anaylization, finding a definite increase in estrogen and testosterone in her system.

Hermaphrodite, Lactation, Lesbian, Muscle Growth

A Bull and Her Husband

Her testosterone was pumping. precum oozed from her tip. sitting there and stroking her dick was not going to be enough. sherry jumped up to her feet, cock in hand, and aimed it at brian's gaping mouth.

Abs, Anal, Aroused, Ass, Blowjob, Booty, Bovine, Buff, Bulge, Bull, Busty, Butt, Cock, Cock Growth, Cock Transformation, Cock Worship, Creampie, Cum, Cum Bath, Cum Inflation, Cumflation, Cumming, Cumshot, Curse, Deep Penetration, Deep Throat, Deep Thrust, Dick, Doggystyle, Double-Penetration, Ejaculation, Erection, FTM, Facial, Fellatio, Female, Femboi, Femboy, Gay, Gender Shifting, Hard-On, Human, HumanXanthro, Humping, Inflation, M/M, M/M/M, Magic, Male, Male Pregnancy, Messy, Muscles, Oral, Orgasm, Penetration, Penis, Primate, Size Difference, Sub, Submissive, Threesome, Transformation, Yiff, Yiffy, anthroxhuman, feminization, spitroast, tftg

That’s How Lions Do It

"it's a week more until my next slow testosterone injection, i'm starting to get a bit edgy," he said matter-of-fact, "this stuff levels it out." "how often do you...?" i asked.

Anal, Character Development, Gay, Lion, M/M, Muscles, Oral, Story Progression, Story Series

KennelKlub (m, humiliation, sissy, feral)

He's going to need some stimulation to get his testosterone flowing. and that's where this device comes in." he felt something cool touch, and then get inserted, into his tail hole.

Anal, BDSM, Bondage, Chastity, Collar, Doberman, Dog, Dominance, Feral, GSD, Humiliation, Kidnapping, M/M, Male, kennel, lock, sissy

Exercising Body and Mind

Tight flesh was stretched like canvas over muscle, crotch bulges that could turn the most pious of ladies into ravenous cocksuckers and the testosterone-laden miasma of male musk that hung around the hunks.

Anal, Anthro, Ass, Ball Slapping, Balls, Bareback, Blowjob, Blush, Breast, Breast Fondling, Canine, Cat, Clit, Cock, Commission, Cowgirl, Cum, Deep Penetration, Deep Throat, Deep Thrust, Dick, Doggystyle, Explicit, F/solo, Fantasy, Feline, Fellatio, Female, Female Ejaculation, Fingering, Fondling, Foreskin, French Kissing, Girl, Gym, Hard-On, Heterosexual, Humping, Jugs, Kissing, Kitty, Lizard, Lust, M/F, M/M, M/M/F, Male, Masturbation, Missionary, Molesting, Multiple, Multiple Species, Naked, Nude, Nudity, Oral, Orgasm, Penis, Pre, Public, Pussy, Reptile, Riding, Rough, Rough Sex, Seed, Sex, Sexy, Short, Short Story, Shower, Size Queen, Solo, Straight, Tailhole, Threesome, Uncut, Vagina, Vaginal, Vanilla, Wet, Wolf

Afterglow

Not with testosterone still thick in my blood, and the musk of you tainting the air around my head. i have no reason at all. wasn't it a gift that you just gave me, your precious seed in exchange for my own gift, my body? but that's too poetic.

Angst, Canine, Knot, M/M, Relationships, Spooge, Tie

Afterglow

Not with testosterone still thick in my blood, and the musk of you tainting the air around my head. i have no reason at all. wasn't it a gift that you just gave me, your precious seed in exchange for my own gift, my body? but that's too poetic.

Angst, Canine, Fighting, Knot, Love, M/M