Related Clues:

• Words before a monkey's uncle?
• Swooning sound
• 'How wonderful!'
• ''Amazing!''
• 'Impressive!'
• Expression of delight
• Knock 'em dead
• Response to daredeviltry
• Circus sound
• 'How about that!'
• ''I'm impressed!''
• [Gasp!]
• La la lead-in
• Cry at a circus
• 'That's really something!'