a KWYJIBO is a rule, idea, or excuse. made up on the fly to cheat in a board or video game.
originating from the season one episode 2 "
bart the
genius" episode of the simpsons where during a gem of scrabble he spells the word "KWYJIBO" and describes it as "a big,
dumb, balding North American ape with no chin" as an attempt to get out of the game early