1 definition by DMCKINNON

Adjective, origins: definitely Australian slang

Defines a certain type of person. One of the boys, A wild, careless guy with little regards to rules or social convention

Used in a jovial, friendly way
After witnessing Izaak scull beers, pass out and then pick up at a party, Jared realised That guy was a boi oi
by DMCKINNON October 17, 2017
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