Related Clues:

• Rebuttal to 24-Across
• Down-home turndown
• 'No dice'
• 'Uh-uh!'
• 'I don't think so'
• 'Fuhgeddaboudit!'
• 'Nope!'
• Slangy negative
• 'I wouldn't do that'
• 'No, thanks'
• ''Ixnay''
• 'Bad idea'
• 'No way that's true!'
• 'Nothin' doin'!'
• "Uh-uh"