rule 34 2022 abs anthro anthro on anthro barazoku barbell barefoot biceps big bulge big muscles bodily fluids bulge bulge in face canid canine canis chirros clenched teeth clothed clothing domestic duo exercise eyebrows feet fur german shepherd hair herding huge bulge huge muscles husky lying male malemale mammal muscular muscular anthro muscular male narrowed eyes nipples nordic sled obliques on back pastoral pecs quads shadow simple background smile spitz spotting standing sweat teeth thong topless topless anthro topless male triceps tuft underwear vein veiny muscles watermark weight bench weightlifting white background workout 6581281