The standard comeback to any sarcastic compliment. That is, "nice" should be changed to match the adjective they happened to use.
Ha, nice shirt.
I like your hair. *snicker.
I like your face. *snicker.
A Greeting between friends used as a general "hello". If greeted it is improper to not replie. Generally is responded with the same greeting. It is Never to be used as a greeting to family or a stranger.
Boy1 *walks past friend*: Nice Face man
Boy2: Nice Face to you too.