rule 34 anal anal sex anthro armpit fetish armpit hair armpit lick armpit play armpit sniffing ass balls balls outline bear belly big belly big dom small sub big penis bodily fluids body hair claws clothed clothing dominant duo elbestia erection erection under clothing gay gay sex genital outline genitals hi res holding butt jockstrap licking male malemale male penetrated male penetrating male penetrating male mammal manly murid murine muscular muscular male musk nipples penetration penis raised tail rat rodent sex size difference sniffing sweat tail tongue tongue out unclothing underwear vein veiny penis yaoi 9203354