I would not ask "what do you want?" To me, that is almost a kind of an invite to stay and explain. If I think the person is up to no good, I want "back off" to mean turn around and leave while you still can. That's just me though.CHLLady wrote: Unless I'm trying to control the situation before it escalates, as in he is approaching and I'm telling him to "Back Off! What do you want?" kind of thing.