Related Clues:

• Under no conditions
• ''Yeah right!''
• Rebel yell
• Expression of derision
• "I knew it!"
• Decisive refusal
• ''Fat chance!''
• "The Twelfth of __"
• "Unlikely!"
• Sarcastic laugh
• ''I'll bet!''
• 'Keep dreaming!'
• Scoffer's laugh
• ''Not on your life!''
• 'In a pig's eye!'