(informal, intransitive) To engage in an activity whose only purpose is to make the time seem to pass more quickly; to fill the time between activities.

The field of fire of a machine gun or artillery. / A place of mass slaughter, especially the Killing Fields of Cambodia.

Alternative spelling of killjoy

A number of murders in a short span of time; a rampage.

Active euthanasia.

(sports) present participle of mercy-kill

Alternative spelling of mercy killing / (sports) In sports, a premature ending of a one-sided game or contest due to a mercy rule.

(ice hockey) An effort by a penalized team to nullify a penalty and opponent's power play, a length of time during the game when a penalized team has one or more players in the penalty box.

(transitive, intransitive) To kill oneself; commit suicide.

plural of honour killing