M.B

Morning Boner.....Some Guys Find This extremely annoying... Other are happy cause it means you get to fuck in the morning if you have a gf or bf

Sister: Good Morning
Brother: Oh Shit
Sister: What's Wrong?
Brother: I've got a M.B that wont go away
Sister:Sorry Can't Help You In That Department

by DragonBitch January 03, 2007

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M.B.

The rap name for this fucking tight ass rapper from M Mafia a.k.a. Martin Mafia.

Trigger friendly, Haters envy, Roll in a Bentley, This your boy M.B.,

by Martin B. June 09, 2006

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boy1: hey dude wanna suck each other off at M.B Sanford?
boy2: nah M.B Sanford sucks

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