Possible Clues:

• "Here we go again ..."
• *"Seriously!?"
• 'No, you can't be serious!'
• 'You've got to be kidding me!'
• *'Man!'
• "Don't tell me!"
• "You gotta be kidding!"
• *Head-slapper's cry
• 'Are you kidding me?!'
• 'You've gotta be joking!'