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A movement that seeks to promote and make legal the occupation of being an adult wet nurse. That is a woman let's adults suck milk out of her tit.

This is sometimes done among teen MILFs and in some bars you can go in and order a " Milk Mamma" and some woman will come out and let you suck the milk out of her tit.
by Judge dredd7 July 16, 2011
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