Definition

Canadian prison slang referring to a major incident, confrontation, or problematic situation behind bars—not the lucky casino kind of jackpot. When someone gets into a jackpot, they've found themselves in serious trouble, usually resulting in disciplinary action or solitary confinement. It's ironic terminology at its finest: calling your worst day a "jackpot."

Example Usage

He got caught with contraband and now he's in a real jackpot with the guards.

Source: Urban Dictionary (https://www.urbandictionary.com/define.php?term=jackpot&defid=1092228)