Rule 34 Dev - animal_genitalia animal_penis balls black_nose blue_eyes canine_genitalia canine_penis collar detailed_background feral fur genitals grass knot lying male mottled muscular on_front outside penis plant raised_tail sheath solo teeth tongue tongue_out white_body white_fur smiley bull_terrier canid canine canis domestic_dog hunting_dog mammal terrier|3123608