Related Clues:

• Super-duper success
• 'I'm impressed!'
• Word before 'I don't know'
• 'Goodness!'
• ''Wow!''
• 'Rad!'
• Exclamation of admiration
• Sound of surprise
• 'Would you look at that!'
• ___ and aah
• Words before a monkey's uncle?
• Swooning sound
• 'How wonderful!'
• ''Amazing!''
• 'Impressive!'