Top Definition
abbreviation for "middle-aged molester man".

This word is most commonly used by teen-aged girls to discribe any middle-aged man who has creeped them out.
(girl): Eww! that guy is a creep
(other girl): Gross, he's totally a MAMM
by There's_a_Is_a_bell February 04, 2010

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in the state of, or about to "make a move"
getting rid of your unwanted nerves and finally conversing with your crush on a...more...romantic level. ;] this is an example of mamm
by Michaela and Nijelle August 29, 2008

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A biologic word i learned in biology meaning BREASTS
mammal, mammillary glands
by Raab Sand February 08, 2007

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