Refures to something that comes in an extremely large size or quantity, means super sized.
"Yeah... let me get a number three, can I get that Fat Bitch Size with a Diet Coke, and some sweet and sour sauce.
by TCW00dy March 17, 2004
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A bitch who has one or more of these traits:
1. Steals all her boyfriend's money
2. Hates everyone, but expects everyone to like her anyways
3. Very stuck up
4. Displeasing to the entire female population (this includes animals) and emits a rancid odor detectable by most
5. Gets her boyfriend way too whipped

Abbreviated: MSB
Alicia and Bethany are my sized bitches. I feel sorry for Ben and Nathan (respectively).

and

I contain no MSB
by Mr. Tap July 13, 2004
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