Green’s Dictionary of Slang

bazz n.

also bazza
[Barry ‘Bazza’ Mckenzie, created by Aus. comedian, satirist and actor Barry Humphries (b.1934)]

(Aus.) an average, unintelligent male.

[Aus]R. Beckett Dinkum Aussie Dict. 8: Bazz/Bazza: Originally a cartoon character but now taken to mean your average, knockabout, sub-literate Australian bloke. More or less a fool.