An oblivious idiot. A person who continues to do the stupid or ignorant thing he is doing while ignoring all the people around him who are trying to tell him he's doing it. Usually associated with American vehicle operators, both motorized and human-powered.

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