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A very humble person. Always has great things to tell and always gives good news. Always falls for the cool kids.
Mubby is a unique type of person.
by Sweetcutefancygirl May 14, 2015
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when you mess up bad by yourself M.U.B.B.Y
Shawn had a mubby moment when he threw up on himself after drinking a whole bottle of liquor.
by Tapricia Reklaw February 20, 2015
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