FURVERT!

animal_genitalia animal_penis balls barely_visible_balls barely_visible_genitalia black_body black_fur black_nose black_spots blush bodily_fluids border_collie canid canine canine_genitalia canine_penis canis claws collie dipstick_ears domestic_dog dripping ear_markings erection feral fur genital_fluids genitals grey_background herding_dog knot knotted_penis knotting_symbol kryotea looking_at_viewer male mammal markings multicolored_body multicolored_ears multicolored_fur pastoral_dog penis precum precum_drip sheath sheepdog side_view simple_background snaggle_tooth solo spots spotted_body spotted_fur two_tone_body two_tone_fur white_body white_claws white_fur