The Big ImageBoard (TBIB) - 3:4 4 fingers 4 toes alley anal anal penetration animal genitalia animal penis anthro anthro on anthro anthro penetrated anthro penetrating anthro penetrating anthro anthro penetrating male ball size difference balls biceps big balls big muscles big penis bird dog black claws black nose black penis bodily fluids brown body brown fur brown nipples butt canid canine canine penis canis claws cuff (restraint) dal (dal your pal) detailed background domestic dog dripping duo erection eyes closed feet finger fetish finger in mouth fingers fish hooking fur genital fluids genitals german shepherd glans golden retriever herding dog hi res huge balls huge muscles huge penis humanoid feet humanoid genitalia humanoid hands humanoid penis hunting dog knot larger male legs up male male/male male penetrated male penetrating male penetrating anthro male penetrating male mammal muscular muscular anthro muscular male muscular thighs nao o'conner nipples nude open mouth outside pastoral dog pawpads paws pecs penetration penile penile penetration penis penis in ass penis size difference pink glans pink nipples pink penis pipe plantigrade restraints retriever scar sex sharp teeth size difference smaller penetrated solaxe (artist) teeth toe claws toes