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1.
Thots who are grown with children are baby mamma's.
This thottie also know as my baby mamma want me to pay child support, I was like "thot please."
by Blah!!! July 23, 2014
 
2.
The mother of ones child; The baby's mother; pl. baby mammas; Related definition: baby mamma drama.
1. "I love my baby mamma."
2. "Where are all the baby mammas?"
by Joeycaitlan November 12, 2005