Rule 34 Dev - 2017 4_toes 5_fingers abs anthro balls biceps big_balls big_muscles big_penis black_body black_claws black_fur black_nose border_collie build-a-wuff canid canine canis claws collie domestic_dog erection eyebrows fingers fur herding_dog high-angle_view huge_cock humanoid_penis looking_at_viewer male male_only mammal multicolored_body multicolored_fur muscular muscular_male nipples nude pastoral_dog pawpads pecs penis pink_nipples pink_penis quads sheepdog simple_background smile solo solo_male standing thick_eyebrows toes two_tone_body two_tone_fur vein veiny_muscles veiny_penis white_body white_fur yellow_eyes|3967037760