Related Clues:

• 'Yeah, right'
• Sound of laughter
• Result of a crack?
• Laughs
• Response to a joke on-line
• 'Oh, sure!'
• More than a tee-hee
• 'I told you so!'
• 'Very funny!'
• A few laughs
• Giggle
• 'And pigs fly!'
• 'Fat chance!'
• Comic's favorite sound
• Hardly a guffaw