one of the memberz to the Animaniacz. the only one that wore pantz.
wacko: your a retard, yacko. and we sing a song that says our sister is cute when shez angry.
by infusino September 23, 2006
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<hacker> I could be a basketball star
<hacker2> whatever yacko
by oTt June 17, 2003
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In baseball, the act of hitting a home-run
"bases are loaded and we're down by four, we need ya to go yacko yard apple here mike"
by Scrubeins October 25, 2009
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