Related Clues:

• 'I think ___'
• Cry of disbelief
• 'I told you so!'
• Slangy denial
• 'And pigs fly!'
• 'Uh-uh'
• 'Don't sweat it'
• 'She loves me ___'
• Skeptic's comment
• 'Over my dead body!'
• 'Pooh!'
• See 14-Across
• See 36-Across
• 'Nope'
• 'Don't give me that!'