1 definition by jackass666

Top Definition
Australian slang meaning "most excellent, cool, great etc". Also spelt BONZA.
Bonzer is also the name of a catering can opener, usually counter mounted.
The Bonzer Mat is a new kind of race track system for very small radio controlled cars.
open this can with the bonzer mate
been a bonzer day at the beach
Had a really close race on the bonzer mat today.
by jackass666 March 02, 2006

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