Related Clues:

• 'So there!'
• 'Yeah, right'
• 'No way!'
• Sound of laughter
• 'Oh, go on!'
• 'Oh, sure!'
• 'Oh, sure'
• 'Yeah, sure'
• 'I told you so!'
• Sarcastic response
• 'And pigs fly!'
• Skeptic's comment
• 'Pooh!'
• 'Don't give me that!'
• 'Fat chance!'