Related Clues:

• "Haven't a clue!"
• What the clueless have
• 'Hell if I know'
• ''I'm stumped!''
• 'Haven't the foggiest'
• [Shrug]
• "I'm stumped"
• Comment from the clueless
• Shrugger's comment
• "Got me"
• 'You got me there'
• ''Beats me''
• "Search me"
• "Haven't the foggiest"
• 'Heck if I know'