A Jersey Shore Drinking Game in which the participants take 1 shot every commercial break during an episode of The Jersey Shore. Commercial breaks are every 6-7 minutes typically.
Bryan: "I issue you a Jersey Shore Challenge!"
Josh: "Challenge accepted!"
Meathead1: "Bro I got so hammered last night"
Meathead2: "What'd you go to Karma?"
Meathead1: "Nah, it was a Jersey Shore Challenge night"