Related Clues:

• 'Ha!'
• 'Fat chance'
• Informal assent
• Teen's catchphrase
• "A likely story!"
• 'Get real!'
• "Yeah, right!" in teenspeak
• Skeptical exclamation
• "I'm listening"
• Sarcastic reply to an assurance
• "Not a chance!"
• "Gotcha"
• 'That'll be the day!'
• "In your dreams!"
• "Baloney!"