In the realm of Internet gaming, Goons have been causing havoc for years. The purpose of a goon, is to cause as much frustration and anger in other player within the game to the point where they retaliate, switch servers, or leave the game all together. Since early editions of Counter-Strike up to the well-known SecondLife, goons enjoy their time by frustrating others.
Similar to a Griefer, it is a slang term used to describe a player in a multiplayer video game who plays the game simply to cause grief to other players through harassment.
- blogspot.com Goon Stories