Noun - A type of severe anger that is specificly brought about by stupid noobs who can't play Alien Swarm right who often die or TK, bring the wrong equipment, make major tactical errors, or just get lost all the time.
Person 1: "Those flame thrower toting idiots with us couldn't flame their way out of a paper bag!"
Person 2: "Let the Swarm Rage go man, they're new to the game!"
Person 2: "Let the Swarm Rage go man, they're new to the game!"
by Anosola August 4, 2005