rule 34 2018 45 5 fingers abs anatomically correct anatomically correct genitalia anatomically correct penis animal genitalia animal penis anthro athletic athletic anthro athletic male balls biceps big balls biped black and grey bottomwear bottomwear pull canid canine canine penis canis clothed clothing clothing pull digital media artwork dragon erection eyebrows fingers front view fur gay gaymingwolfy genitals grey background gym bottomwear gym clothing gym shorts hair holding penis hybrid knot line art looking down low angle view male mammal monochrome mostly nude muscular muscular anthro muscular male no underwear partially clothed pecs penis shorts shorts down shorts pull simple background smile solo standing tyroo wolf 4450656