Related Clues:

• Emphatic negative
• Not even once
• 'Ain't gonna happen'
• 'I bet!'
• 'Dream on!'
• 'Fuhged-daboudit!'
• "Told ya so!"
• ''That'll show 'em!''
• ''As if!''
• ''That's a funny one!''
• Shout of discovery
• 'Harrumph!'
• "That's funny!"
• 'Fuggedaboudit'
• Unequivocal refusal