Related Clues:

• 'How about that!'
• ''I didn't know that''
• ''I'm impressed!''
• Word said while scratching the head
• ''--- whillikers!''
• 'That's really something!'
• 'What a surprise!'
• Word of wonder
• 'Cool, man!'
• Beaver exclamation?
• Veer to the right
• Make a right
• ''Far out!''
• 'Imagine that!'
• Head-scratcher's comment