I, for one, appreciate you bobot, for starting this thread.
So you’re saying, “Good on you, bobot”?
My bad.
Ugggggh. Where did that one come from? I first heard that from my students* (the ones that were trying to be thuggier than their Wonder Bread upbringing). Usually used to excuse douchebag behavior…
Although I probably hate “Good on ya!” and that quarry thing even more.
*ETA: Those were the same kids that’d say things like “Don’t hate the play-ah.” And call you “Dawg.”
Yo, whassup, dawg? Good on ya, homie!
There’s no reason why they (your ears) should (adjust). New Yorkers are wrong.
Sometimes, I suspect that they’re aware of it, and do it just to piss me off.
I agree. “Good for you” sounds very much like it’s conveying “That’s nice and you can get fucked all the same” at worst and “Well isn’t that nice? I don’t actually care” at best.
Just like American’s stubborn refusal to use the word “Queue”, I suspect. 
Inflection and circumstance are very important. Depending on tone “good on ya” can mean anything from “well done” to “you’re a useless crotch-nugget who is waste of good oxygen”.
Mate.
Just re-re-reiterating what others have said in this thread.
‘Good for you’ is a tainted blessing, most often said with a sarcastic sneer and probably a stuck up finger as well.
‘Good onya’ (followed up with WELL DONE!!) is more the generic accolade that one gives when some friend or acquaintance has either won the lottery, or has done really well in their scholastic exams recently.
That being said, ‘good ONya’ can also be a disparaging comment in Ozspeak, onya often followed with an inflected ‘mate’. It means you’re a fucking loser…you have just met with the utmost disapproval of your peers. You might have been bragging about evading the breathalyzer or giving your girlfriend a punch, but whatever the incident, it means that you will never hold your place in that social hierarchy again.
Language is a subtle bastard here in Australia. 
It is what it is.
Had a huge, black friend in college who’d respond to “Hi!” with “Ever’thang is ever’thang…” And he was zen/funk enough to pull it off.
“It’s all good…” is my peeve. A lot of my college students and 30-something friends say this. Usually when something bad has happened:
“Oh, I just ate the last piece of pizza before you got any!” “'S’all good, man…” But, wouldn’t it be better with a piece of pizza?
I have pointed out to these friends: “War, famine, flu epidemic… it’s not all good. But I’m glad you don’t mind not getting any pizza.”
I hear you.
I pit all idioms.
Fair play to you, OP.
Here’s some good on you, bobot. Don’t you dare wipe it off.
Maybe we can dialog about it later?
Shouldn’t that be Good on thou?
It’s supposed to sound that way. Unless it’s used on someone age 8 or younger, it’s an insult.
Have some Wheaties. They’re good for you.
stupid git
Exactly! And that’s only one of the threads that have multiple whiny posts about the word veggie (or any other word with the audacity to end in “ie”).