Related Clues:

• Ultimatum ender, often
• Or follower
• 'Do it or ___!'
• Beyond that
• It can come after no one or someone
• Ultimatum end
• Last word of an ultimatum, perhaps
• ''Do it, or ___!''
• Where starter
• ''There's ___ day dawning''
• ''Or ___!''
• See 21 Across
• ''Will there be anything __?''
• ''What ___ can go wrong?''
• Refreshing way to start?