Related Clues:

• "Yeah, right!" in teenspeak
• 'That's hogwash!'
• When pigs fly
• Skeptical exclamation
• "Not a chance!"
• "That'll show 'em!"
• 'Poppycock!'
• "Nonsense!"
• "Forget about it!"
• 'That'll be the day!'
• "Told you so!"
• Place for 10-Across
• "In your dreams!"
• "Baloney!"
• 'Like that's gonna happen!'