Related Clues:

• "You win"
• Verbal shrug
• "I'm clueless!"
• "No clue"
• "I haven't the foggiest!"
• "Got me"
• 'No clue!'
• Bewildered comment
• "I haven't a clue"
• "Search me"
• "Haven't the foggiest"
• 'Your guess is as good as mine'
• ''That's tough!''
• ''Good question!''
• "I have no idea"