When one proposes an absurd, audacious, undesirable, or illegal act to another, and follows it with the words: "Do it. You won't". The second person is obliged to complete said act.
Guy: See that girl over there? You should go make out with her.
Girl: No way! I'm straight.
Guy: DO IT. YOU WON'T.
Girl: Okay, fine, I'll do it.
Guy: Gotta love a Jersey Bet.
Girl: No way! I'm straight.
Guy: DO IT. YOU WON'T.
Girl: Okay, fine, I'll do it.
Guy: Gotta love a Jersey Bet.
by Dorian Jersey April 12, 2010
A foolish, hubris-based bet formed with little to no foreknowledge of the subject of the bet or the participants; resulting in the loser being utterly defeated.
I wouldn't bet that a Filipino couldn't beat a spicy food challenge. That's the epitome of a Jersey Bet.
by T'Rezi July 13, 2016