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Term for an infection of crabs (Pthirus pubis)often used by military personel.
Don't go with her unless you want the mechanized infantry charging through your skiddies (underware).
by Blue Cawdrey November 18, 2004
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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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