FURVERT!

animal_genitalia animal_penis balls bodily_fluids comic digital_media_(artwork)equid equine equine_genitalia equine_penis erection eyes_closed feral flaccid fur genital_fluids genitals half-erect hi_res horse inside lycadio male mammal open_mouth peeing peeing_on_ground penis smile solo stable tail urine urine_on_ground urine_pool urine_stream watersports