To ban thousands of people because of cheating,spamming, hacking or just being plain dumb.

1 - A symbol of violence and imaginary power over others, used by peniley-challenged jerks, at websites, to make themselves feel better about being so inadequate, and unliked by anybody

2 - a symbol used by bossy creeps at websites, to try and make you "fear their power" you're supposed to imagine they have...but really they have no power..or friends..because they are just assholes.

3 - a picture that should be thrust as far up the offending admin or mods nazi ass as possible, except they'd probably like it

A banhammer is a fictional weapon imagined to be weilded by administrators of online forums and computer games. In some games, such as Blockland, there is an actual banhammer that can be wielded by admins.

Fictional weapon wielded by administrators on a computer game server. Used as slang refering to someone being resricted from joining servers.

Weapon weilded by mods at Something Awful to kill accounts

A powerful weapon wielded by Administrators and Moderators alike. It has unparalleled power to ban retards, trolls, hackers (1337 h4x0rz), and the high-pitched ATYO (annoying twelve year old) from chat rooms and games. It is also included in some games as an equippable item with the disputed ability to hit over 9000. Beware the hammer.

Banhammers are fearsome weapons wielded by the Admins, a race of genetically enhanced people who have been created to serve and to protect online communities from the evil that fills the internet. The Banhammers are mighty weapons, and must be used carefully, as whoever holds one of these weapons have power over the accounts of all others. Also known as the Faggot Banisher, the ATYO (annoying twelve-year old) Destroyer, and the Retard Bane.