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A silly or rambunctious person. One who finds humor in words like muffin, corn, pookie, fart and woobagoobie. These individuals may show signs of social segregation due to extremely odd behavior and therefore tend to stick together as a pack of mooky poos.
-"That guy is such a mooky poo."
-"What a bunch of mooky poos."
by McLettuceHead September 11, 2009
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