Related Clues:

• 'Beats me!'
• 'Ain't got a clue'
• 'I have no idea!'
• 'Beats me'
• Expression of bafflement
• -
• 'Got me!'
• "How should I know?"
• Perplexed pronouncement
• 'Search me'
• 'I have no idea'
• 'Dunno'
• Shrugger's word
• "Beats me"
• "Who knows?"