What’s really good witcha?

What's good (with you)?

slang What's going on? How are you doing? What's new with you? "With you" can be colloquially contracted into "witcha" or "witchu." A: "Hey, bro, what's good'?" B: "Yo Mike, not much man." What's good, everyone? Y'all have a good weekend? A: "How you doin', girl?" B: "I'm aight, what's good witchu?"
See also: good
Farlex Dictionary of Idioms.

What’s really good witcha?

interrog. How are you? Mooshoo! What’s really good witcha.
See also: good, really
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • What's good (with you)?
  • What's coming off?
  • What’s coming off?
  • poppin
  • What’s poppin’
  • What's poppin'?
  • What's popping?
  • happ
  • What’s happ?
  • What’s happening?