Top definition
Said to someone when they used to provide very helpful things, but no longer do
You used to give me great things, but -
What have you done for me lately?
by nick_g July 12, 2011
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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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