1 definition by Mamsale

Massive Allergy Moth. Acronym that describes moths native to the Evergreen, San Jose area. First coined in Evergreen Valley High School. Usually found in dimly lit areas and are very attracted to dust. Also known as "dusty butt". Also used to describe a person's spastic behavior.
"That MAM over there is flying towards us."

"That guy is jumping like a crazy MAM"
by Mamsale January 25, 2008
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