We spent the day with a bored teenager. Lucy started talking from the moment she came out of her cage this morning, and didn't hush until she went back in tonight. Most of it was gibberish, but she clearly said "What you doing?" several times.
Lucy has three inflections for that phrase:
What you doing, I'm curious,
What you doing, you're bothering me, and
What you doing, why don't you get off your duff and entertain me somehow.
Today's was the third inflection. I'm being ordered around by a bird. I can't decide if I want her to expand her vocabulary or not.