Top Definition
This is simply the most mackness monster on the whole entire planet. A person with this title usually has a very good erection ratio and likes penguins.
"Man that kid Lee, he is a Gila Mac.",said Lucas as Lee walked past him showing off his muscular pectorials.
by Lee O'Doherty April 15, 2008
1 more definition
Simply put, this is the most awesome status a person could achieve in their lifetime.
He just rode a bike into the lake. What a gila mac.
by Gary Coleman IV June 13, 2008

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