Griefer
Griefer: A griefer is a slang term used to describe a player in an multiplayer video game who plays the game simply to cause grief to other players through harassment. Griefing is a malignant form of emergent gameplay.
[ from wikipedia.org ]
I think that being the admin on a friend’s sketchblog bestows certain liberties.
[ posted a long damn time ago at tombabbey.com ]
