Related Clues:

• 'No clue'
• Comment made with a shrug
• Sighed phrase
• ''Beats me!''
• 'I haven't the foggiest'
• "Beats me!"
• 'No idea'
• 'Who knows?!'
• ''Big deal!''
• 'Big deal...'
• "Beats me," slangily
• 'Ya got me!'
• ''How should I know?''
• "Who cares?"
• "I don't care"