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6.
An internet troll is a person who uses anonymity to cause frustration, anger, impatience or to generally be disruptive for no seemingly good reason EXCEPT to be that nuisance.

Most are souless bastards, touched by daddy/priest, and in the stead of coping with that trauma in a healthy way, take out their aggression, anger, impotence, frustration on others.

-have problems forming real-life relationships; have a hard time attracting members of the opposite/same sex,generally introverts. Though some are 'trolls-in-hiding', most are skill-less loners.

General troll behavior:disruptive forum posts; the posts are generally off-topic, or unnecessarily combative. Each contemporary popular website has its own sub-genre of troll

-can be male or female, mostly males, including the popular 'gender bender'44 yo man that acts like 14 yo girl

Female internet trolls, are far more scary then their male counterparts. Female trolls seem to better able to delude themselves into believing that their behavior is not only accepted online but that the traits that they find so well received (they are not) will transfer well to real life. usually ends badly.
EX_1...on a thread with 50 people reading/posting, the troll tries to be the first to make a comment about the picture attached; one or two people point out his/her foolishness and instead of saying he understands, is sorry, or just shutting up, the troll then proceeds to exacerbates the situation by further feigning ignorance, enraging those who do not see through the behavior. Later, when several people directly attack said troll, he responds by praising their comments, or by hitting the 'like/thumbs up' button.

EX_2:underneath an article about the impact of corporate greed in third world countries, say india, two people are having a back and forth about the article...an attention-seeking troll would pop in with something like "so how many niggers are there in india?" in an obvious attempt to illicit an emotional response; or if the article was accompanied by a family pic of a father/mother/son/daughter, a comment suck as "so how often do you think hes fucked that little girl/boy? boy he/she just LOOKS butthurt from all that fucking!", again in an obvious attempt to divert intellectual discourse, or to just project feelings of their own sex abuse, or desire to be the abuser. Just try to ignore the internet trolls.
by 202D August 18, 2012
 
8.
Someone who uses the internet as a means of stalking some one.
Missy closed her MySpace account because on an Internet Troll.
by Butterfly Goddess May 08, 2008
 
9.
A system administrator who trolls user accounts looking for personal information.
I am not going to open an account there because I know it is administered by Internet trolls.
by Ann Myers May 02, 2006
 
10.
Internet douchebag that whines and moans about everything you do on comment boards, chat rooms or bulletin boards. Biased and angry because of envious or unreasonable emotions these trolls will degrade you for even speaking or making any statement at all. Chat trolls usually fight in groups because of cowardice and because they are afraid of your intelligence and strength. Trolls usually attack or pounce on users for silly reasons and excuses most notably grammar or punctuation even though they can't spell worth a shit.
You: Hey guys!
Internet Troll: Hey look it's this asshole!
You: Oh. I uh..
Internet Troll: Why don't you jump off a bridge and die, you cry baby go cry.
You: But I...
Internet Troll: Your so stupid why cant you even use the proper grammmar.
You: Ugh.
by Baalthazaar August 04, 2014