Related Clues:

• 'That's hysterical!'
• Undoing word
• "No problemo!"
• 'Works for me'
• Couture monogram
• Sarcastic reply to an assurance
• "Not a chance!"
• "That'll show 'em!"
• Foolproof
• 'Believe It Or --!'
• Word in most of the Commandments
• Yuk
• 'That'll be the day!'
• Doubt-free
• Couturier's monogram