Say what now?

Meaning

A casual, slightly baffled way of asking someone to repeat themselves because what they said was confusing or shocking. It is a polite way of saying you did not quite follow the logic.

Confused, casual

Used in a sentence

• The price of a cup of coffee is how much? Say what now?
• Say what now? I think I misheard you when you mentioned the timeline.
• We have to be there at four in the morning? Say what now?