The act of having vaginal or anal intercourse with every inmate of the Louisiana State Penitentiary within a single 24 hour period.
Friend 1: Dude, I had sex with Susan last night and her vagina was the size of a coffee can!
Friend 2: Ya, you didn't hear about her?
Friend 1: What haven't I heard?
Friend 2: Susan ran the gauntlet a few years ago...
Friend 1: Oh, that explains everything.