Related Clues:

• "Goodness!"
• "Golly!"
• "I don't believe my eyes!"
• 'Man!'
• “How about that?!”
• Knock ('em) dead
• Really impress
• Impress
• Ten C-notes
• "Fancy that!"
• "I'm impressed!"
• Not genuine
• "Shucks!"
• Other-worldly
• "Go right, mule!"