Rule 34 Dev - animal_genitalia animal_penis balls balls_expansion bodily_fluids brown_balls defecating defecating_into_urethra english_text equid equine equine_penis expansion feces feces_in_testicles feces_in_urethra flared_penis genital_expansion genital_fluids genitals hi_res mammal penetration penis penis_shot pink_penis precum scat sendar simple_background text urethral urethral_bulge urethral_insertion urethral_penetration|5960557968