Top Definition
title used to define another chick that has a baby by the same guy you do.
Your baby daddy's other baby mama, whether they're in a relationship or not. If they get married, she turns into just your baby daddy's wife, until they get divorced.
My son's little brother's mom is my baby mama-in-law.
by NatBooty May 18, 2005
5 Words related to baby mama-in-law

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