Top Definition
A large and complicated knot. Taken from National Lampoon's Christmas Vacation when the main character, Clark Griswald, passed off a string of lights in a basketball sized knot to his son. It's most commonly seen made of electrical cords from game consoles and computer systems.
Good luck getting that out. It's wrapped itself into a Griswald Knot.
by shrkdrvr December 29, 2007

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