A fork of Rural Dictionary
Means the same as random epic-fail. When something is really weird, in a bad way, you can call it JB.
Person 1: "Oh, your'e such a party pooper!"
Person 2: "Are you calling me JB?!"
Person 1: "You bet! You're the biggest JB I've ever met!"
Some retarted douche bag who doesn’t play any sports. Also short for Mitchell;)