Bonza\ Beauty\ Mate

Usually said as one word. It's another famous okkerism (Australian slang) meaning, Great mate!

Also simply means Thank you for your kind advice and I shall follow through with your proposal.

Hey, Boof, the esky's full o' long necks (beer). You'll have ta put them in the tub (bath).

And the reply comes, You bonzabeautymate!