Related Clues:

• 'Hell if I know'
• What the clueless have?
• ''Touche!''
• 'I haven't the foggiest!'
• ''Got me!''
• "No idea"
• 'Haven't the foggiest'
• "Search me!"
• 'Good question'
• [Shrug]
• "I dunno"
• Slangy "Beats me!"
• 'I'm stumped'
• "I'm stumped"
• Comment from the clueless