Related Clues:

• ''I don't think so!''
• ''Fuhgeddaboutit!''
• ''Think again''
• 'Yup' opposite
• When pigs whistle
• 'Not in a million years!'
• Not in a million years
• Emphatic negative
• Not even once
• 'Ain't gonna happen'
• 'Dream on!'
• 'Sorry, Charlie!'
• 'Forget about it'
• "Don't bother"
• Informal rejection