plural of kill file

(military, slang) The damage inflicted by a weapon on a vehicle that destroys its weapon systems, or substantially reduces its ability to deliver weapons accurately, but does not significantly affect its ability to move.

A security measure used to switch off a device in an emergency.

(military, slang) An attack or damage inflicted by a weapon that does not destroy a military vehicle but results in it taking no further part in its intended mission.

(military, slang) The damage inflicted by a weapon on a vehicle that immobilises it, but does not totally destroy it, leaving the vehicle's crew able to use its weapons. Typically this term is used to refer to tanks and other armoured fighting vehicles that have their engines, tracks, or running gear damaged.

(military, slang) An instance of damaging a vehicle by weaponry that renders it both unusable and unrepairable.

(oil industry) a method of closing an oil well, by pumping in drilling fluid (synthetic mud) to shut off the flow of oil, and following with concrete (cement) to plug the hole

plural of kill-joy

A period during which one has no responsibilities to fulfill, often while waiting for some event or outcome, and therefore must find some activity to partake in to prevent boredom.

(video games) A level in a computer game that is impossible to win, usually due to programming errors.