Definitions by Alien Entity

troll

One who posts a deliberately provocative message to a newsgroup or message board with the intention of causing maximum disruption and argument

troll by Alien Entity September 22, 2002

IRC 

Series of real-time text communication channels where people congregate to ask each other why no-one's saying anything interesting without realising it's because they are fuckwits who have nothing worthwhile to say to each other

IRC by Alien Entity September 22, 2002