(games) A children's game in which a designated player attempts to wink at as many people as possible in order to "kill" them, without being caught by the player who has to find out who the murderer is.

Murder for sexual gratification, often involving mutilation.

The killing of a large number of people over a short period of time.

plural of mass murder

Someone who commits a mass murder.

(US, colloquial) murder in the first degree.

A murder in which organs or other body parts are harvested for the production of traditional medicine

A murderer will always be discovered. / (idiomatic) Secrets or hidden crimes will eventually be exposed or discovered; nothing that is secret can remain a secret forever.

plural of murder simulator

(derogatory) A graphic action video game that features killing as an important component.