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A Yackal occurs when your pet dog eats choclate and throws it up on you while you are having sex.
Yesterday Buddy got into to my chocolate stash and yackaled it all over my girlfriend while we were having sex.
by BigBabs87 October 23, 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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