1 definition by CrustyMoistYout

A phrase which is exclaimed to show rejection and dismissal of a statement or situation. Usually used to directly communicate that something that was intended to be funny, was indeed not.
1) "Why did the Chicken cross the road?"

"BULLUP!"

2) *Someone people don't like walks in*

"BULLUP!"
by CrustyMoistYout December 20, 2011
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