Troll refers to a person who makes inflammatory or hostile comments, which by effect or design cause disruptions in discourse.

Trolls provide a valuable service by making people question the validity of what is read both on the Internet and from other sources. Trolls show that expressing any opinion is as easy as expressing an informed and considered opinion and may get as much visibility. It is arguable that shock jocks and some newspaper columnists are trolling public opinion.

Trolls are also a source of genuine humour, which depends entirely upon whether the troll is a good or a bad troll. It's usually fairly easy to spot the difference between such actions: a bad troll resorts only to weak uncreative arguments whereas a good troll will create a subtle set of arguments which draw people in with cunning twists to provide a thread of non sequitur humour.
http://en.wikipedia.org/wiki/Sokal_Affair
by BadBoyBubby June 13, 2005

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100
n: a resident of the lower pennisula of Michigan; one who lives under the Mackinaw Bridge, which connects the two pennisulas.

Antonym of: "Yooper," which is a resident of the upper pennisula- or "U.P"- of Michigan.
"Are you a Yooper?"
"No, I was born in a Detroit: I'm a troll."
by brindlescruff January 27, 2005

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101
A troll is a commonly used insult. Synonyms are toad and baboon. The word troll is used when someone is acting rather trollish.
Will day is a troll
by Whalespout1318 June 30, 2014

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102
One who engages in acts during multiplayer online games that bother other gamers. Such acts may include but are not limited to: trapping a strategically placed teammate in an FPS until the enemy kills them, modding a game to gain an unfair advantage, and/or making disruptive sounds intended to inhibit concentration on gameplay. Some may do it for the lulz, but most are of the "misery loves company" type.
Player 1: That was a great match we just had.
Player 2: True, but you did see those two boosters and the noob with the pro kill/death ratio, right?
Player 1: Yeah. I've already reported all three trolls to the game developer (and the console's moderators).
by Semper Paganus June 09, 2013

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103
A person going in to a semi-large group usually more than 8 with the soul intention of ticking off one if not most of the group for the purpose of creating their own entertainment and bringing out the gullible stupidity in others
In a game of CoD gun game Try hard: finally I got off of that ridiculously stupid sniper Troll:(knifed try hard) Try hard:I hate you you suck Troll: u mad bro?
by gungametroller May 21, 2013

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104
When someone tries to control or "trol" your actions via game, movements, schedule, life, etc... with the ultimate goal of making you quit or lose.
mom- Hey stop watching TV so you can eat lunch. kid's friends - Troll Mom.

Hey stop trolling my character to fall off the map.

You made me lose a life in the game. Troll.
by XxBEVY METALxX May 04, 2013

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105
Marius guy from that random haked computer
Person 1: What the hell is that person drooling over a computer!?
Person 2: Yeah he's Marius troll, just ignore him.
by ThatRandomDudeGuy April 25, 2013

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