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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The state of mind when you can’t stop making puns in your head so you decide to make other people suffer. (Often associated with memes to buffer the pain)
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by God’s Unquestionable Word January 2, 2019
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