you now

1. A dismissive and sometimes aggressive response to an insult, order, question, or statement. Used, to my knowledge, mainly in Central Australia. Literally means "how about you?" or "it is, in fact, you" or "how about questioning yourself instead of me, my friend, my girlfriend, my parents etc?" 2.Can also express amazement, excitement, or disbelief at an individual. 3. Can be used to aknowledge a person's presence. (often spoken very quickly) 4. Recently replaced(sometimes) with the soulja boy lyric: "YOOOUUUUUU!!!!" - accompanied with an index finger pointed at the intended person