drunkard; usually found at fraternities, and often drinks until their tongue is numb; usually not under adult supervision.
I got so drunk last night, I was such a Zillo.
by 1coybtc January 16, 2008
Derogatory, offensive term for Brazilians, Brazilian-Americans, or others of Brazilian descent. From (Bra)zil and -o.
There's no way in hell I'd live in East Newark. It's full of zillos!
by bogomil January 08, 2010

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