Related Clues:

• 'Uh uh!'
• Informal turndown
• Familiar denial
• ''The deal is off!''
• ''Never mind''
• 'No way, no how!'
• 'Don't wanna'
• 'Never gonna happen'
• "Count me out"
• 'Not on your life!'
• Casual turndown
• Informal demurral
• Informal negative
• Terse turndown
• 'When hell freezes over'