Top Definition
A nickname for Galveston, Texas, a small island city on the Gulf of Mexico near Houston. People call it that because there are a lot of projects, gangs and thugs there, even though it is a small city.
I parked my car a block of the Seawall in Galvatraz, and some knucklehead smashed my window and stole my CD player.
by novamax February 12, 2007
8 Words related to Galvatraz

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