Related Clues:

• "Say what?"
• 'Say again?'
• "Ahem!"
• "I beg your pardon?"
• ''__ hoppen?'' (dazed one's query)
• Question asked by one with a stuffy nose?
• "Excuse me?"
• '___ hoppen?'
• Inquiry starter
• "__ the heck!"
• Part 4 of today's quote
• 'I didn't hear you'
• Abbott's second baseman
• Start of a quiz?
• "Are you serious?"