8
Someone who is purposefully posting on a forum/messageboard/site sith the sole aim to irritate the regular members.

Contrary to popular belief there is much more to internet trolling than posting "OMG UR ALL SO GHEYYYY!!!1" "OMFG TRIVIUM SUX ASS U FAGS LOL" and the like. People who post such things will usually be one-post wonders and get banned, however the more experienced troll will attempt to cause some sort of havoc under the admins radar.

Common examples of trolling:
The long-term troll:
These guys don't mind waiting around for the fun to begin. They may pretend to be an average n00b, and give themselves the stereotyical interest(s) of the average member of said forum, then once having a few posts they will gradually try to spread dissent. This type may even pretend to be pally to the admin and get their msn (and try to crack their account password of course) whilst causing general disruption. May act under other proxies and slate these fake trolls on msn to the aforementioned gullible admin. These people, to be frank, usually have no life and love bringing message boards to their knees by putting considerable time into their carnage. If they crack the admins password the board is doomed.

The sophisticated troll:
This type will usually have some sort of distaste for whatever the said message board is discussing and try to cause annoyance as opposed to destructiveness. They will parody the members and see how much they can get over their heads. Subtle pisstaking being their route. They'll usually get banned in the end but will annoy an entire community using this drawn out approach.

The faker troll:
A clever troll, the main aim of the game is to, ironically, act really REALLY stupid, this trolls aim is to argue with members incoherantly, usually using text speak. This is a ploy, the troll only needs to spend 10 seconds writing the babble when the member wastes 10 minutes writing a much more wordy reply. The troll will reply with a stupid rebuff making the member post as many long replies as possible. Using the members weight against them and wasting their forum time... If they are good then their act will be believable and they probably won't get banned unless the admin is strict on txt tlk.

The rank and file spammer:
These are the first to pop into peoples minds, they are similar to the examples stated in the first paragraph. No previous experience necessary, this lot will swarm in, again, usually under proxies to maximise the destructiveness, and spam the place to hell. Only causes mild irritation if not in large numbers.

Join any popular forum for a year and I guarantee you'll see all of these.
(let's assume it's a metal board)

Faker troll (expecting to cause irritation):
"Hi im nu here u all seem kl i am rly metal rawrrr i leik slipnot and fall out boys!!!1 they r so metal! see u al on da forum xxx"

Rank and File spammer:
"LOOOOL U METAL PPL R SO GHEY WITH UR SHOUTY MUSIC WRIST SLITTING ANIMAL FUCKING SATAN SHIIIT"

by PsychoFox February 12, 2008
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug
9
1. A large, brutish creature of European myth, often lacking in intelligence. Sometimes compared to the Japanese oni.
2. A dumbass who makes idiotic posts in message boards newsgroups for the sole purpose of pissing people off, often lacking in intelligence. Sometimes compared to people who pass you by on the sidewalk then grab you in inappropriate places.
1. "AAAAAAHH, it's a troll!"
"Protect the women and children! Grab your torches!"
2. "AAAAAAHH, it's a troll!"
"****head... we banned him five times and he keeps making new accounts about how he pwns all and that he>>>>>>>>>>>>>>>>>>>j00!"
by Syckls August 15, 2004
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug
10
Plural of troll.

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

Source: Alien Entity (author) and the Urban Dictionary page that houses it.
The above definition and more can be found by clicking the link for the word "troll".
by grima_an November 28, 2004
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug
11
1. Mythical humanoid creature said to be tall and brutish, possessing great regenerative powers. they are generally thought of as evil and malevolent, and to feast on human flesh

2. A playable race from the popular MMORPG game World of Warcraft™©®(where applicable) created by Blizzard ™©® entertainment. The Darkspear Trolls are one of the proud and heroic races of the "Horde". They have the racial ability of healing themselves over time,"berserking", "Da voodoo shuffle" and bow specialization. The Horde is the opposing faction of the "Alliance"

3. An internet troll, is any group or person who creates arguments on forums, chat rooms, comment pages, or anywhere on the internet that allows open interaction between people through written text. The skilled troll can create an argument on any subject. They generally use subversive techniques to mislead people in to thinking they believe a point of view that they in fact either know to be false or do not believe at all. A cunning and clever troll can incite an argument with another person over just about an subject.

ie: troll: "Don't you ever read the bible? The earth is the center of the universe, and it's a flat disc" victim: "Wow, seriously? were you home schooled by idiots or something? One of the first things you learn in school science is that the earth is a sphere, and revolves around the sun".

A true troll never actually believes in any statement they make, they spout falsity's in order to create friction.
1. The billy goats gruff were stopped by a troll that lived under a bridge. Harry Potter, Hermoine, and Ron, encountered a troll in the girls restroom.

2. I chose a troll hunter because they have great racial ability's

3. The Landover Baptists are the worlds greatest trolls.
by Mr green April 29, 2013
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug
12
one of the most overused words on the Internet which has matched lol for meaninglessness.

supposedly means someone who is disruptive or mean on a message board, but now extends to anyone who is ever disagreeable or doesn't join in on the circle jerk.

some people also take it to mean the act of reading and posting on message boards.
ZOMG you're such a troll!

omg stop trolling

youz trollin

stop stating you ropinions as facts troll
by dirtyklingon March 21, 2010
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug
13
A person who posts to a forum or other form of online communication to disrupt or cause widespread argument.
WILK0, troll of the Xbox forums
by Will Da Man April 09, 2009
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug
14
One of many unsung internet heroes who are almost entirely misunderstood. Contrary to popular belief, many trolls are actually quite intelligent. Their habitual attacks on forums is usually a result of their awareness of the pretentiousness and excessive self-importance of many forum enthusiasts. As much as people may hate trolls, they are highly effective - their actions bring much of the stupidity of other forum users out into the great wide open.
Man, that troll really owned those dumb forum users who take themselves too damn seriously.
by Jesus Hitler July 24, 2005
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug