Related Clues:

• 'Nuts!'
• 'Yeah, right!'
• 'Phooey!'
• 'Darn!'
• 'Get outta here!'
• Cynic's retort
• See 50-Across
• 'Fiddlesticks!'
• 'Forget it!'
• 'Shucks!'
• 'Yeah, sure!'
• Scrooge's cry
• 'No way!'
• 'Oh, go on!'
• Cousin of 'Phooey!'