Related Clues:

• "I'm stumped"
• "I'm stumped!"
• Words said with a shrug
• Totally confused response
• "Not a clue!"
• 'I dunno'
• "You win"
• "I'm clueless!"
• "I haven't the foggiest!"
• 'No clue!'
• Bewildered comment
• "I haven't a clue"
• "Haven't the foggiest"
• 'Your guess is as good as mine'
• ''That's tough!''