Related Clues:

• Terse turndown
• ''Sorry''
• "Ixnay!"
• Casual negative
• ''Don't think so''
• ''Forget about it''
• "Huh-uh"
• "Ain't gonna happen"
• Casual rejection
• "Can't help ya"
• "Like that'll ever happen!"
• "Dream on!"
• 'Yep' opposite
• 'Ain't happening'
• Yup's antonym