Related Clues:

• Ten C-notes
• Relative of "Zounds!"
• "Fancy that!"
• "I'm impressed!"
• "Shucks!"
• "Go right, mule!"
• Exclamation in 17, 23, 50 and 61-Across
• "Oh my!"
• "No kidding!"
• "Drat!"
• "Good golly!"
• "Darn!"
• Awed one's reaction
• Cry from Jeeves
• Take the right course