Originating from Rugby Union, a Welsh win is winning through no identifiable skill or talent - or where all the factors that should contribute to a win were in favour of the other team. It's usually used in reference to were the winning person or team won for either an unclear reason or due to biased decisions by the ruling party.

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