death ray

plural death rays

1. literatureA beam of radiation that can kill.

   The evil aliens' death rays could not penetrate our mighty force fields!

   1 more example

   "Back off cunt or you're getting a face full of death ray! I didn't tell him anything!"

   2017 October 2, Dave Barrack, Grrl Power (webcomic), Grrl Power #567 – Zero sum shopping

2. literatureA weapon that emits such a ray: a ray gun.

   Near-synonym: heat-ray

   1 more example

   The evil alien pointed a death ray at me and ordered me to start marching toward the distant fortress!

   Synonyms: heat-ray