1 definition by a$umz

Top Definition
Meaning "More, more" in Spanish, MasMas occurs on the last Friday of every month and is the official holiday of the Dallas-based hardcore band Set The Sun. It is required to "drink till you drop" and attend appropriately dressed according to the MasMas theme of the month.
Dude its "white-trash" MasMas next friday, HELL YEAH.
by a$umz September 09, 2011

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