what now

Short definition from Wiktionary

Phrase

1. 1
   A request for advice or instruction on what should be done.
2. 2
   A request, usually rhetorical, to know what, in a series of negative events, is the next negative event occurring.
3. 3
   Synonym of what do you want? (said out of irritation)
4. 4
   Synonym of how's that.