The mother of yo baby daddy.

Your child's grandmother on the paternal side.
Overheard at the mall...

Q: Who watchin little Ray Ray while you at the cub?

A: He wit his baby daddy mama.
by Chunky Butt December 4, 2005
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"Aint dat your Baby Mama Daddy?? man"

"yup i best gettin outta her!"
by theinsane1 April 4, 2010
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