the killer kind

the killer kind

The dangerous type of a thing that is otherwise benign. The phrase can but does not always refer to things that are actually life-threatening. Oh man, this brain freeze is the killer kind—ouch, my head! What are you so scared of? It's not like these bees are the killer kind.
See also: killer, kind
Farlex Dictionary of Idioms.
See also:
  • beat (one) to within an inch of (one's) life
  • life of Riley
  • the walking wounded
  • walking wounded
  • 57
  • Heinz
  • Heinz 57
  • Heinz 57 (variety)
  • Heinz 57 variety
  • and the rest