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Often used in context that is sarcastic. something that is absolutely crazy. Something that is really boring.
Bob- Man, I've got so much to do today...I have to do my hw, and I have a lax game.

Tonya- Wow. That sounds absoultely thrilling.
by Taylor Marie April 11, 2008
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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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