Related Clues:

• Inquiry made while half awake, maybe
• 'Beg pardon?!'
• Words said with a double take
• "Hunh?"
• Groggy person's inquiry
• 'Can this be?!'
• 'Huuuuuuuh?!'
• "Huuuuuuuh?!"
• 'I don't believe my eyes!'
• "Are you kidding me?!"
• Shout of surprise
• Question asked with an open mouth
• '70s org. for 21-Down
• Cafe ___? (iconic Greenwich Village club)
• 'Hunh!?'