Top Definition
To bring along several extra unwanted guests when only you have been invited to an event; to take advantage of a friend who has done you a solid. Expression is based on the title character of Dr. Seuss' "Thidwick, the Big-Hearted Moose."
"Hank's girlfriend Thidwicked us by inviting her whole damn office to our Halloween party."
by PMcClaran September 08, 2008

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