dead man walking

noun4

1. •
   A condemned prisoner walking to a death chamber or other place of execution.

   • It was Percy Wetmore who ushered Coffey onto the block, with the supposedly traditional cry of “Dead man walking! Dead man walking here!” — 1996
2. •
   (figurative) Someone who is soon to die.

   • "So, arrest me," Cummings said. "The fuck do I care? I'm a dead man walking." — 2010
3. •
   (figurative) Someone who is about to face an unavoidable loss (though the person may not realize it yet).
4. •
   (slang) A multivortex tornado typically appearing in the form of a human figure walking.