Rule 34 Dev - abs anthro athletic balls big_balls big_penis biped brown_body brown_fur casual_nudity claws countershading erection eyes_closed finger_claws flexible foreskin fur genitals gesture glans glistening glistening_body gymnastics half-erect holding_leg huge_penis humanoid_genitalia humanoid_penis long_penis looking_at_viewer male muscular muscular_anthro muscular_male navel neck_tuft nipples nude nude_male one_leg_up pecs penis raised_leg retracted_foreskin saggy_balls simple_background smile solo splits spread_legs spreading standing stretching teeth thumbs_up tuft vein veiny_penis vertical_splits anonymous_director canid canine canis mammal wolf hi_res|92277096