Related Clues:

• 'No more!'
• 'I give!'
• A relative
• Quitter's cry
• Verbal white flag
• Sam or Vanya, notably
• 'Say ___!'
• Pained cry
• "That's enough!"
• "I give!"
• Cousin's dad
• Relative
• Mom's brother
• Kinsman
• 'I've had enough!'