Related Clues:

• 'Poppycock!'
• "Nonsense!"
• "Forget about it!"
• 'Humbug!'
• "Get out of town!"
• "In your dreams!"
• "Baloney!"
• "Phooey!"
• "Fiddlesticks!"
• Exclamation of disgust
• Never!
• "I don't believe that!"
• "Fat chance!"
• "Impossible!" and the theme of this puzzle
• "You gotta be kidding!"