Related Clues:

• “How about that?!”
• "Hurry up!"
• 'Time's a-wastin'!'
• Ten C-notes
• "Follow me!"
• "Fancy that!"
• 'You've gotta be kidding!'
• "I'm impressed!"
• 'Don't gimme that!'
• "Shucks!"
• "Go right, mule!"
• "You gotta be kidding!"
• Exclamation in 17, 23, 50 and 61-Across
• "Oh my!"
• "No kidding!"