Related Clues:

• 'I never would've thought of that!'
• "Incredible!"
• Dobbin's 'right'
• "That's a surprise!"
• 'How about that?!'
• 'Is that a fact?!'
• 'Who'da thunk it?!'
• ''Super!''
• "___, ya think?"
• "__ whiz!"
• "How about that"
• Impress greatly
• 'Whaddaya know'
• Word with whiz
• "How about that!"