good for you, him, etc.
ˌgood for ˈyou, ˈhim, etc.(especially AustralE good ˈon you, him, etc.) (informal) used to praise somebody for doing something well: ‘I’ve decided to give up smoking as from tomorrow.’ ‘Good for you, Philip.’ ♢ ‘He’s saving up his pocket money to buy a football.’ ‘Good for him.’
See also: good