(idiomatic) An issue to pursue with wholehearted conviction and/or single-minded focus, with little or no regard to the cost.

plural of hill to die on

(television, film) A documentary about how a film or television show was made, with behind-the-scenes footage.

(Australia, slang) Alternative form of nick off

A literary work in a fantasy genre that is also a comedy of manners.

plural of fantasy of manners

A traditional telephony system based on analog transmission of sound, as opposed to newer alternatives like ISDN or VoIP.

(derogatory) Somebody who barely qualifies as human.

(UK) Expressing exasperation or impatience with a situation.

Alternative form of OD