rule 34 animal genitalia animal penis anthro balls bodily fluids bottomwear brown body brown fur brown hair clothed clothing dialogue equid equine equine genitalia equine penis erection fur genital fluids genitals hair hay hi res hooves joonkorner male mammal masturbation medial ring offscreen character partially clothed penile penile masturbation penis precum reclining shorts shorts down sickle solo speech bubble sweat sweatdrop 9097664