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

(sports) present participle of mercy-kill

Active euthanasia.

(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.

plural of penalty kill

(idiomatic) To win or earn a large amount of money.

Alternative form of shoot the messenger

The slaying of a giant. / (sports) The defeat of a team by a much weaker opponent.

(Internet) A user's file listing the users of a newsgroup whose postings are to be ignored, or other criteria for ignoring posts.

(Internet) To add (a user) to a kill file.