Baby Mama – noun Slang: Often Disparaging and Offensive. ¹the biological mother of a man’s child, not married to the child’s father and usually not in a relationship with him.   The minute someone finds out you have a child the stereotypes start flooding the place. You’re no longer looked at as a MOTHER but a Baby Mama; The woman who can’t seem to let go of her baby daddy. The woman who’s always angry because … More Bitch, I’m Not Bitter… I’m Frustrated