Related Clues:

• ''That's a laugh''
• ''When pigs fly!''
• ''Nope''
• 'Au contraire!'
• Scornful laugh
• 'I don't buy that!'
• 'Not a chance'
• 'To be or -- ...'
• Negation
• '___ interested'
• 'Skip me'
• No, slangily
• Word in most commandments
•     'Fuhgedaboutit!'
• ''I don't think so!''