Typical expression
used when you are surprised by
something but you werent paying
attention to the person who is telling you it.
Used also as “you cant be serious”
Marcel: I went to the
shop, then I went to schiol, then I had lunch, then I banged your
sister, then I...
You: Wait what?
Or
Nurse: you have been in a coma for
six years
You: Oh I m looking forward to see my relatives
Nurse: They all died in a carcrash
You: There are so many things I want to d... Wait what?