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another name for Glen Davis, a player for the Boston Celtics. Most people refer to him as Big Baby.
Guy 1:Dude who was that guy who posted up on Bosh?

Guy 2: Big Baby. whatta beast.
by incredibleceltics November 23, 2010
A fat girl.
There was an entire crew of big babies at the club.
by G-Baby March 10, 2003