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A delightful variation of the shart when an especially thick batch of loose stool is inflated by an expelled fart to form a bubble outside of the anus.
I blew a 3 inch shart bubble before is popped and splattered all over Steve's face.
by Monkey Sharts March 21, 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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