Related Clues:

• 'Nuts!'
• 'You gotta be kidding!'
• Emphatic denial
• 'Yeah, right!'
• 'Phooey!'
• 'That's impossible!'
• 'Get outta here!'
• 'Fiddlesticks!'
• 'Forget it!'
• 'Shucks!'
• 'Yeah, sure!'
• 'No way!'
• 'Oh, go on!'
• 'Nothing doing!'
• Cry of disbelief