Related Clues:

• 'Gotcha!'
• 'Yeah, right!'
• 'I knew it!'
• 'When pigs fly!'
• 'That'll show you!'
• 'I doubt that!'
• 'Yeah, sure!'
• 'So there!'
• 'Yeah, right'
• Sound of laughter
• 'Oh, sure!'
• 'I told you so!'
• 'And pigs fly!'
• Skeptic's comment
• 'Fat chance!'