Related Clues:

• Word of surrender
• Donald, to Dewey
• 'Stop already!'
• 'No more!'
• 'Mercy!'
• 'I give!'
• A relative
• Quitter's cry
• 'Uncle'
• Verbal white flag
• Epithet for Sam
• Sam or Vanya, notably
• 'Uncle!'
• 'Say ___!'
• 'Put me out of my misery!'