Related Clues:

• "Not happening!"
• Defiant shout
• "Clueless" exclamation
• 'Not a chance!'
• 'Ri-i-ight!'
• ''Not very likely!''
• "Get real!"
• "Ri-i-ight"
• "Caught you!"
• "Suuure ..."
• ''Yea, right!''
• "You must be out of your mind!"
• "Not gonna happen!"
• 'Uh-huh, sure it is'
• Doubter's comment