A character in Dungeons & Dragons games with a "Chaotic Evil" alignment, played poorly and to the detriment of the game, usually resulting in the deaths of the character and his allies.

(See also: Lawful Stupid)

Intelligence agency term for "psychological operation". A government or corporate-sponsored operation, usually taking the form of a "terrorist attack" or "crazed gunman on a spree", with the intent of panicking the public into demanding more police and laws inhibiting freedom. Psyops are usually carried out by drugging a civilian or group of civilians with aggression-promoting drugs, psyching them up, arming them, and sending them out to commit mayhem. Government-sponsored terrorism. See also blackshirts, conspiracy

in reference to a D&D character, extremely dumb and unintelligent. One can be classified as chaotic stupid if they do such things as taking a more complicated way to do things, or do something the party has told them not to, for no reason.