Related Clues:

• Emphatic denial
• Short retort
• 'And what ___ rare as...'
• 'That ___ you!'
• Terse rebuttal in a shouting match
• Response to 'Am not!'
• Emphatic affirmation
• Playground retort
• Schoolyard retort
• Playground comeback
• 'Just watch me!'
• Response to a naysayer
• '___ sorry!'
• Playground rejoinder
• "Am not!" retort