Top Definition
The act of totally and completely losing one's coolness and becoming a big dork in front of many people (also can be used as 'jumping the couch').
Tom Cruise lost his marbles and looked like an idiot when he jumped the couch on Oprah.

Timmy can't stop jumping the couch with all those fat sluts he brags about banging.
by philbad August 02, 2005
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