trolls n internet trolls..
either the english vocabulary is growing @ a very fast pace or my vocabulary is very poor :D
stumbled upon this definition for a troll @ wikipedia..

In Internet terminology, a troll is a person who posts inflammatory messages on the internet, such as on online discussion forums, to disrupt discussion or to upset its participants. "Troll" can also mean the inflammatory message itself posted by a troll or be a verb meaning to post such messages. "Trolling" (the gerund) is also commonly used to describe the activity

as u can tell, it wasnt the troll I was lookin for. but still, not somethin useless.
lookup wikipedia to read more on it..
http://en.wikipedia.org/wiki/Internet_troll

here's some more on why they're trolls:

When you try to reason with a troll, he wins. When you insult a troll, he wins. When you scream at a troll, he wins. The only thing that trolls can't handle is being ignored.

a reasonable description of a troll, isnt it? ;)