Related Clues:

• Slash-flanking words
• Threat finale
• Common threat
• Them's fighting words
• Slashed words?
• Famous last words
• Ultimatum phrase
• Words intended to intimidate
• Hosp. units
• Threatening option
• Intimidating words
• Alternatively
• Simple kind of question
• Ultimatum ending
• Surgeons' locales: Abbr.