dirty battered "ring piece"
Also known as Rusty Bullet Hole, Ass Hole, Brown Eye, Wrong'Un, Exit Sphincter, Poop Hatch, Loaf Chopper, Cornhole, Poop shute, Shitter, Batty Button, Fudge Barrier, Your Momma's Favourite Place or Brown Blow Hole
A rusty sherriffs badge is a phrase used for a bum hole. But especially porn stars Rusty sherriffs badge's are well worn hence rusty. This phrase is often used in the Sunday Sport when people are describing a porno they have watched.