Related Clues:

• Words of warning
• 'You bet!'
• Otherwise
• 'Otherwise...'
• If not
• 'You don't think I'd do it, do you?'
• Famous last words?
• Threatening finale
• Ultimatum ender
• 'You betcha!'
• Unnamed alternative
• 'You're on!'
• End of a threat
• 'Really?'
• Final words?