Related Clues:

• "Beats me!"
• 'No idea'
• 'Who knows?!'
• "Beats me," slangily
• 'Ya got me!'
• ''How should I know?''
• 'Hell if I know'
• Unhelpful answer
• “Ya got me”
• 'How should I know?'
• "No idea"
• 'Haven't the foggiest'
• [Shrug]
• "I dunno"
• Words spoken with a shrug