Related Clues:

• 'Haven't the foggiest'
• 'Good question'
• [Shrug]
• "I dunno"
• 'I'm stumped'
• Comment from the clueless
• Shrugger's comment
• "I'm stumped!"
• 'I dunno'
• "You win"
• "I'm clueless!"
• Clean out, being altogether uninformed
• "No clue"
• "I haven't the foggiest!"
• "Got me"