Related Clues:

• ''That's impressive!''
• ''Unbelievable!''
• Comment a la 'Jeez'
• "I'm amazed!"
• 'Yowza!'
• Exclamation of amazement
• Shocked expression
• "That's incredible!"
• "Oh, brother!"
• ''That's really something!''
• "Holy jumpin' catfish!"
• 'Gadzooks!'
• See 73-Across
• Great success
• 'Damn!'