From Longman Dictionary of Contemporary English... or what... or whata) used at the end of a question to show that you are impatient with someone or something Are you afraid of him, or what? Is that work going to be finished by Friday, or what? b) used after mentioning one or more possibilities to show that you are not certain about something I don’t know whether it was an accident or on purpose or what. c) used after a description of someone or something to emphasize it Nearby are the remains of a deserted village. Spooky or what? Is that madness or what? → what
