rule 34 abs absurd res anthro balls barbell piercing bedroom eyes blep canid canine canis cheek tuft collar collar only erection facial tuft fangs fur genitals grey body grey fur half closed eyes hi res humanoid genitalia humanoid penis inviting looking at viewer male male only mammal muscle tone muscular muscular anthro muscular male narrowed eyes nipple barbell nipple piercing nipples nude pecs penis piercing punkypanda seductive simple background smile smirk smug smug face smug grin solo spiked collar spikes teeth tongue tongue out tuft vein veiny penis wolf 7901595