Definitions by roopoogoo

Derro Gerro 

Slang for the population of Geraldton, a city north of Perth. The people are generally extremely unreasonable, irritatating and rowdy.
They also drive stupid trucks.

Guy 1 : Why was that guy such a retard?
Guy 2 : He was obviously derro gerro.

Derro Gerro by roopoogoo July 25, 2011