Related Clues:

• ''Beats me!''
• ''Enough already!''
• Heating bill reaction?
• "Beats me!"
• 'No idea'
• Uncle's equivalent?
• Hit sign?
• Sound of pain
• "Yeow!"
• "Beats me," slangily
• 'Ya got me!'
• Cut line?
• ''That stings!''
• Punch reaction
• Words of surrender