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When used by a woman, it means that the woman got horny because she met an attractive man and indulged in some sort of sex with him. The woman refers to herself as mama and does not necessarily mean that she is a mother.

Mentioned in the movie 'The Dilemma'.
Bert : Honey, why do you have a guilty look on your face?

Sue : Bert, I want you to know that you are my number one man but Mama got thirsty last night.

Bert : (Walks out angrily)
by sooommmeeoonnneeeee July 09, 2011
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