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When the male penis is sticking out of a pair of boxers without the male noticing until confronted by someone that notices it and tells you.
Hey dude you have a sneaky tip man! Cover that up!
by airsofter53 February 20, 2015
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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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