Related Clues:

• Knock over
• Super-duper success
• 'I'm impressed!'
• Word before 'I don't know'
• 'Goodness!'
• ''Wow!''
• Sound of surprise
• Tarzan's son
• Character in the Tarzan flicks
• ''Amazing!''
• 'Impressive!'
• Knock 'em dead
• 'How about that!'
• ''I didn't know that''
• ''I'm impressed!''