Possible Clues:

• 'Sorry, Charlie!'
• "Can't do it"
• ''The deal is off!''
• "Fuggedaboutit!"
• Impossible for backgammon to be played like this!
• I refuse to play!
• Reason for not gambling? Certainly not in America
• Expression coined by a crapshooter
• Refusal (to play)
• Said to indicate failure if party suffers setback in holiday resort