rule 34 aardwolferowo animal genitalia anthro anus arctic fox ass balls black pawpads canid canine city city background darkthefox dipstick tail facial tuft fart feces feces in ass fox fully sheathed fur genitals leaning leaning on railing looking back male mammal markings nude pawpads puffy anus railing raised foot raised tail scat scat sheath solo tail tail markings 8588653