Top definition
Literally: Mother Boy Thirty

adj. To be or posess traits similair or that of a mother's boy
noun. 1. A convention or meeting place held for mothers and motherboys everywhere, not to be confused with 2. A dirty movie
"That little Motherboy XXX stole my flying pig."
by anon y mous ous January 15, 2007
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Donkey Punch Plush

10" high plush doll.

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