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.
#party #drink #mozmoz #mazmaz #mosmos #set the sun #holiday
by a$umz September 09, 2011
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