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.
Guy 1: Hey what's up?
Guy 2: I was fucking banhammered. >:(
Mom: Use appropriate language!
Guy 1: Was there a mod?
Guy 2: Shut the fuck up of course there was a motherfucking mod.
*Guy 2 has been banned from chat for: Inappropriate language*
Guy 1: Dude you just got banned in real life.
Guy 2: ...