Griefers are the Internet equivalent of playground bullies, who find fun in embarrassing and pushing around others.
Typical griefer behavior includes: taunting others, especially beginners; thwarting fellow teammates in the game; using inappropriate language; cheating; forming roving gangs with other griefers; blocking entryways; luring monsters toward unsuspecting players; or otherwise using the game merely to annoy a convenient target or to harass a particular player who has reacted to their ill will.
, griefers have some gaming companies concerned about losing subscribers. As a result, many game sites and providers are becoming less tolerant of griefers and are employing new methods to police for them and otherwise limit their impact.
Known as griefers, snerts, cheese players, twinks, or just plain cyberbullies, chances are one of these ne'er-do-wells has bothered a kid near you at least once while playing online multiplayer video games such as Halo 2, EverQuest, The Sims Online, SOCOM, and Star Wars Galaxies.