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.
Name given to people who walk around with pagers, cell phones, etc. on their belts. Called so because they look like law enforcement officers who wear their badges in the same way.
Do you see that guy over there with the phone and pager on his belt?