Related Clues:

• 'That's a lie!'
• Slangy refusal
• Wrong
• 'Forget it!'
• 'Don't think so'
• Reply to 'Am too!'
• 'No way!'
• False
• '___ fast!' ('Hey!')
• 'Nah!'
• Slangy denial
• Kid's rebuttal
• 'Nope'
• 'No sirree'
• Baloney