Related Clues:

• "__ now?"
• '__ now?'
• 'Wait, what did you say?'
• “I didn’t expect that!”
• Unfriendly way to answer the phone
• A question
• ''Could you repeat?''
• Come again, though only occasionally
• 'I don't get it'
• “Say what?”
• '___ else is new?'
• ''Beg pardon?'' but way less formal
• "What the?"
• NASA's possible question to lost space probe — seriously? (4,6,3,3,2)
• "Wait, ___?"