(US, slang) A Teflon-coated bullet.

Alternative spelling of time killer

An activity which unproductively consumes a large amount of time; a distraction.

(archaic) simple past tense and past participle of kill

Used other than figuratively or idiomatically: see killer, instinct. / (idiomatic) The natural inclination to do whatever is necessary to succeed (including extreme violence)

plural of killbot

(especially science fiction) A robot designed to kill; a robotic assassin.

a person who commits mercy killing

(mineralogy) A monoclinic-prismatic mineral containing calcium, hydrogen, oxygen, and silicon.

The northern butcher bird.