Rule 34 Dev - 1boy 2014 abs animal_penis anthro balls ballsack bandana biceps big_muscles big_testicles black_hair black_nose body_fur bull_terrier canine claws collar crouching dangling_testicles darkgem fur furry grey_fur leash looking_at_viewer low_hanging_balls male male_nipples male_only mammal muscles muscular_male neck_ruff nude_male peable pecs penis pose purple_eyes scrotum sheath smile smooth_fur solo spread_legs spreading testicles toe_claws toned vein white_fur|1882692728