Related Clues:

• "Crikey!"
• Exclamation of amazement
• Mild medieval expletive
• Word of surprise
• "That's incredible!"
• "Gosh!"
• G-rated oath
• ''That's really something!''
• "Holy jumpin' catfish!"
• 'Gadzooks!'
• Oath of old
• ''Great Caesar's ghost!"
• ''Zooks!''
• See 73-Across
• Great success