MWB

Main White Bitch.

Usually referred to someone who is black and is bestfriends with someone who is white.
Person 1: Who is that brunette with her?
Person 2: That's her MWB.
Person 1: MWB?
Person 2: Main White bitch. Her white Ride or Die
Person 1: Oh! Well her MWB is pretty hot.
by TMillieMil March 12, 2014
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