A move done in Team Fortress 2, a hat collecting simulation game, named after Taggerung, a former professional Team Fortress 2 player. The move involved jumping the enemy to gain an advantage for your team, it often involved getting a frag, getting a kill or a med drop. Taggerung mastered this act and had high success rates hence the name.

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