rule 34 2023 abs absurd res anatomically correct anatomically correct genitalia anatomically correct penis animal genitalia animal penis anthro balls barazoku biceps big balls big penis bodily fluids brown body brown fur canid canine canine genitalia canine penis canis cum digital media artwork eyebrows fleshformomo fur genital fluids genitals grey background hi res knot male mammal masturbation muscular muscular anthro muscular male one eye closed open mouth orgasm pecs penile penile masturbation penis red body red fur sheath simple background solo tank flynn teeth tongue vein veiny penis white body white fur wolf 8553055