What's new?
A standard, casual greeting to someone used to politely (and sometimes superficially) inquire about what is happening in their life. Hey Tom, what's new? It's nice to see you again, Brenda. What's new with you these days?
What's new?
Inf. What things have happened since we last met? Mary: Greetings, Jane. What's new? Jane: Nothing much. Bob: What's new? Tom: Not a whole lot.
what’s ˈnew?
(spoken, informal) used as a friendly greeting: Hi! What’s new?