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2.
In honor of George W. Bush, Jr. To show your dislike about something. Usually used at the end of a statement.
There's nothing on T.V. tonight, that's Bush.
by Mugs December 08, 2005
 
1.
a saying used when something is ridiculous, stupid, defective, unfair, or generally just not cool
"Hey, man, she ratted me out for no reason! That's bush!"
by lisagirl April 08, 2003