FURVERT!

anatomically_correct anatomically_correct_genitalia animal_genitalia animal_penis anus ball_tugging balls big_balls big_butt bodily_fluids butt cock_and_ball_torture dock_(anatomy)epididymis equid equine equine_anus equine_genitalia equine_penis erection feral forced genital_fluids genital_torture genitals heiken hi_res hooves lemon_testicles male mammal mcfan penis precum puffy_anus raised_tail restrained restraints solo tail tail_anus