Related Clues:

• "What?" informally
• "Did you say something?"
• '...wait, what?'
• "Weird!"
• 'What the?!'
• "What the?!"
• 'Talking to me?'
• 'Would you repeat that?'
• 'Care to repeat?'
• “Imagine that!”
• 'You said what?'
• 'Who woulda thunk ...?'
• 'Hmm, that's odd!'
• Response to bewilderment
• 'Whaaa?'