Top Definition
It means when your so fat that people can tell just by hearing you say words with a B in them.
"I bBought bBrenda a bBracelet for her bBirthday party."
"Dude whats wrong with your talking?"
"Oh jeez. I must be getting B-word fat. I need to diet."
by im ur worst nightmare June 06, 2009
5 Words related to B-word fat

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