Slut-thug. A prostitute used as bait by thieves who mug you while your fucking.
Peter Boyle: I got mugged last night.
Jack Hoffa: Call the cops.
Peter Boyle: It's not that simple. I solicited a prostitute, man. But, the whore turned out to be a slug.
Jack Hoffa: Oh, you got SLUGGED. I see. Oh well, live and learn.