FURVERT!

abs animal_genitalia animal_penis anthro ball_camel_toe balls barely_contained barely_contained_penis biceps big_balls big_muscles big_penis biped bodily_fluids brown_body brown_eyes brown_fur bulge clothed clothing equid equine equine_genitalia equine_penis erection flexing fur genital_fluids genitals grey_background half-erect hand_on_hip hooves horse jockstrap male mammal muscular muscular_anthro muscular_male navel nipples pecs penis penis_base pose precum presenting simple_background sketch solo stain standing suck_mcjones tail thick_penis topless underwear unfinished vein