Related Clues:

• Emphatic denial
• Haughty refusal
• Polite refusal
• 'When pigs fly!'
• Recruit's response
• 'Forget it!'
• Not at all
• 'Well, I ___!'
• Private reply, maybe
• 'Over my dead body!'
• Army refusal
• 'Fat chance!'
• When hell freezes over
• Defiant reply
• Emphatic no