FURVERT!

animal_genitalia animal_penis anthro balls big_balls big_muscles big_penis black_balls black_body black_hair black_penis bodily_fluids equid equine equine_genitalia equine_penis flaccid genital_fluids genitals glistening glistening_genitalia hair half-erect hi_res horse huge_penis jollyjersey male mammal muscular nude penis precum short_mane simple_background sitting solo sweat sweaty_balls sweaty_body sweaty_genitalia sweaty_penis thick_thighs vein veiny_penis