Whattaya

Short and quick way of saying "What are you" or "What do you" combined in one word, commonly used in conversations talking in second person.

Instant message conversation
Person 1: dude whattaya doing?
Person 2: nm, just chilling, you?
Person 1: whattaya mean nm? dude the party is tonight, right now, whattaya waiting for?
Person 2: will you stop saying that?
Person 1: whattaya mean?
Person 2: ...
Person 2 logs off