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The cops are on to us, we'd better change up.
by Jim King December 18, 2004
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Jul 29 Word of the Day
Someone who used to be a potential girlfriend/boyfriend, but no longer is.
Tim: Zack, is that your exgirlfriend?
Zack: No, she's an expotential. We never actually dated...
by brownsuite September 24, 2011
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2
When a friend is normal without a girlfriend, but as soon as they get one they act way different
Ever since you hooked up with niki you've been a change up jacob.
by Jenx August 24, 2017
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3
The response when one of your friends offers you a fist pound and you shake his fist leaving him perplexed.
After Utley's grand slam, Ryan Howard, Pat Burrell and Jimmy Rollins gave him a fist pound but Jamie Moyer threw him a changeup.
by headdoc July 25, 2008
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