Sure "Good on ya, mate" is common... also "on, ya!" which seems to also be acceptable usage.
On the subject of Chunder, you could also be said to having a "technicolour yawn"
Others I thought of...
"off ya tree" - crazy
"off ya tits" - drunk
"off ya face" - stoned/drugged
(etc...)
I'm surprised no-one here has mentioned the usual sporting slogan of recent years, the highly inventive(

) :
"Aussie, Aussie, Aussie! Oi! Oi! Oi!"
(to the credit of the US national team, several of the more friendly members making an appearance on "The Dream with Roy and H.G." managed to echo this with great success!"
Often heard also at the cricket or football (usually as a chant): "You're going home [... in the back of a Divvy Van]!" (Divvy Van=Police Divisonal Van) - usually chanted when people are playing up in a crowd.
Any mention of "Joe the Cameraman" refers to an infamous incident wherein during a TV broadcast of a cricket game (national summer sport), the infamous commentary was heard by all: "Can't bat, can't bowl" in refernce to a player... which has been attributed to a TV Camerman... thus to do a "Joe the Camerman" is to allow a comment out in this manner (one that shouldn't be heard by others, we presume

).
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