1 definition by There's_a_Is_a_bell

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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