good on (someone)
An expression of approval or support of someone for something they have done or accomplished. Primarily heard in Australia. I heard you got the promotion—good on you! Good on him, getting an A in that difficult class.
good on you!
INFORMALPeople say Good on you! to show that they admire something you have done. `Cedric and I have talked about it.' — `Oh, good on you!' `I'm 72, and I still swim every day.' — `Well, good on you, mate!'
good on you!
used as an exclamation of approval towards someone, especially for something that they have achieved. chiefly Australian