Related Clues:
- Ultimatum end
- Ominous-sounding phrase
- Threat phrase
- Gibes
- Bully's final words
- Caveat phrase
- Ultimatum concluder
- Vague warning
- Warning words
- Acts the heckler
- '...unless you want trouble'
- Unspecified, but invariably unpleasant, alternative
- To avoid the alternative
- '___ what?' (response to a threat)
- ''Otherwise . . .''