(Well,) I never!
1. Inf. I have never been so humiliated! Bill: Just pack up your things and get out! Jane: Well, I never! Tom: Look, your manners with the customers are atrocious! Jane: Well, Inever!
2. Inf. I never heard of such a thing. Tom: Now they have machines that will do all those things at the press of a button. Sally: Well, I never! I had no idea! John: Would you believe I have a whole computer in this pocket? Alice: I never!