1. Your mother when she tells you, "you should really be careful about spending too much." or "Where did you get the money to buy that?" or "I can't help you right now, I just spend $10,000 on new windows for my house.. BOOOWHOOOP!"
"The jackoffasaur is calling, should I answer?"
by tysontheasshole August 14, 2008

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Top Definition
1. Thought to have been extinct, these annoying creatures with big lips and bald heads can pop out babies faster than an Atari 2600 rapid fire controller extention!

2. BoooooWHOOP!
Look out it's coming right for us!
by Gimble March 02, 2004

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Jackoffasaurs are humans from the future who annoy everyone except Cartman and breed like crazy.
An example of the future of the human race, which isn't particularly good at anything. Jackoffasaurs symbolize the result of the dumbing down of society which is taking place.
by WalkerTexasToast July 19, 2009

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One of those stupid little creature that go thwooop on south park
That Jackoffasaur acts very stupid
by Dan November 05, 2003

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The Urban Dictionary T-Shirt

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The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

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