Those are my almost 2 year olds favorite words right now.
It applies to almost everything...
when someone tries to take his toys (mainly dvd's he's popped out of the cases),
when I'm holding him and he doesn't want held,
when I'm changing his diaper.
Funny how sometimes I want to yell it too!
(Doesn't every mom at some point?)
If not, you are a saint!