trolling

In slang, a troll is a person who posts deliberately offensive or provocative messages online (such as in social media, a newsgroup, a forum, a chat room, an online video game) or who performs similar behaviors in real life. The methods and motivations of trolls can range from benign to sadistic. These messages can be inflammatory, insincere, digressive, extraneous, or off-topic, and may have the intent of provoking others into displaying emotional responses, or manipulating others' perception, thus acting as a bully or a provocateur. The behavior is typically for the troll's amusement, or to achieve a specific result such as disrupting a rival's online activities or purposefully causing confusion or harm to other people. Trolling behaviors involve tactical aggression to incite emotional responses, which can adversely affect the target's well-being.
In this context, the noun and the verb forms of "troll" are frequently associated with Internet discourse. Recently, media attention has equated trolling with online harassment. The Courier-Mail and The Today Show have used "troll" to mean "a person who defaces Internet tribute sites with the aim of causing grief to families". In addition, depictions of trolling have been included in popular fictional works, such as the HBO television program The Newsroom, in which a main character encounters harassing persons online and tries to infiltrate their circles by posting negative sexual comments.

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