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Once male has dumped load into female taking penis out of vagina and slapping her face cheeks with said object
And before she knew it, I'd slippery slapped her!
by Anonymous July 24, 2003
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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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