Related Clues:

• Relative known for quitting?
• Sam, Vanya or Buck
• Donald Duck, to Huey, Dewey and Louie
• "Stop already!"
• Title for Remus
• See 56 Across
• Cry when you've had enough
• Exasperated cry
• Tom or Vanya
• 'I concede!'
• 'I can't win!'
• Giving word?
• ''You win!''
• "Stop!"
• Once, perhaps