Related Clues:

• 'Is that a fact?!'
• 'Who'da thunk it?!'
• "___, ya think?"
• "__ whiz!"
• "How about that"
• 'Whaddaya know'
• Word with whiz
• "How about that!"
• Beaver Cleaver comment
• Beaver's word
• Word of amazement
• ''I'm amazed!''
• ''That's wonderful!''
• ''Imagine that!''
• Grand, briefly