rule 34 anthro armpit hair augensinum balls barefoot big balls big penis biped blue eyes body hair butt hair chest hair colored erection eyebrows feet fingers flexing foreskin genitals grey body grey skin hairy hairy arms hairy balls hairy legs hi res horn humanoid genitalia humanoid penis long foreskin male male only mammal mature male musclegut muscular muscular male nipples nortum augensinum nude overweight partially retracted foreskin pecs penis pose pubes rhinocerotoid signature simple background slightly chubby smile solo tail tuft teeth thick eyebrows tuft uncut vein veiny penis wood floor 3845246