Related Clues:

• 'No way, no how!'
• 'Not on your life!'
• 'When hell freezes over'
• Under no conditions
• Rebel yell
• Decisive refusal
• "The Twelfth of __"
• 'Keep dreaming!'
• 'In a pig's eye!'
• Defiant response
• "When donkeys fly!"
• 'Not in this lifetime!'
• "No chance!"
• "Not in this lifetime!"
• 'Not gonna happen'