FURVERT!

absurd_res animal_genitalia animal_penis anus balls black_penis bodily_fluids brown_body brown_fur butt cum dock_(anatomy)equid equine equine_genitalia equine_penis erection feral fetlocks flared_penis fur genital_fluids genitals grey_background hi_res horse looking_back male mammal mane penis perineum pink_penis pink_tongue puffy_anus selenophile simple_background solo tail tan_mane tan_tail tongue tongue_out