[[File:Trollface.svg|thumb|right|200px|The "trollface", first appearing in 2008, is often used to indicate trolling in contemporary internet culture. Modern usage of the word itself dates from 1980s.]]
In Internet slang, a troll is someone who posts inflammatory, , or off-topic messages in an online community, such as an online discussion forum, chat room, or blog, with the primary intent of provoking readers into an emotional response
or of otherwise disrupting normal on-topic discussion.
The noun troll may refer to the provocative message itself, as in: "That was an excellent troll yo...