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Definitions by dododo olleh

Abbreviation for "Messed Up Bitch"
Definition: (noun) Referring to girls or girly guys who are used to debauched life such as drinking, doing drugs, and getting laid or have absolutely lost a sense of morale
She's a MUB! She's now going out his ex-boyfriend's father.
MUB by dododo olleh July 25, 2011