Related Clues:

• Word from Beaver Cleaver
• Fancy that!
• 'Can you believe it?!'
• Wow!
• Relative of 'hmmm'
• "You don't say!"
• 'I'll be darned!'
• Kin of "Golly!"
• Word before "I don't know"
• Arouse great enthusiasm
• Regale an audience
• Whiz lead-in
• 'Well, I'll be!'
• Preposterous
• Huge success