(slang) Potent marijuana.

plural of pain killer

Alternative spelling of painkiller

A person who deliberately kills an on-duty police officer.

(US, slang) A Teflon-coated bullet.

Alternative spelling of time killer

plural of time killer

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

plural of time-killer (alternative spelling of time killers).

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