Related Clues:

• Parent's ultimatum
• 'Not on your life!'
• 'When hell freezes over'
• With zero chance, informally
• Under no conditions
• Rebel yell
• ''Ain't gonna happen!''
• Lead-in for JosГ©?
• Decisive refusal
• "Get outta here!"
• "The Twelfth of __"
• ''Over my dead body!''
• 'Ain't gonna happen!'
• ''You're doing it all wrong!''
• 'Inconceivable!'