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1.
Someone who likes to troll, a person who either intentionally or pointlessly yells and swears and insults someone with no or some purpose. Usually spawned by agruements, disagreements, or just hatred. Trolling can also be conducted as a self-entertainment to the troller by causing a ignition in chat or in a internet forum.

Trolling is usually accompanied with spam, capital letters, bad grammar, and immature comments. They can be racist, elitest, or anything else that has to do with stereotypes.
Forum Poster: Hey, i was wondering does anyone know the address to the Rock concert?

Troller: FUK U YOU FUCKING FAGGOT YOU SUCK COCK CUZ YOU ARE A ROCK LOVER GO BURN IN HELL YOU FUCKHEAD!!!1one
by Infohelperr01 October 16, 2008
 
2.
People often make mistakes assuming that someone who trolls is called a troller, when really, there is no such thing.
Someone who trolls is correctly called a troll.
Steve: Look at that guy sagging his pants!!
Patrick: nobody wants to see his ass, what a troller!!
by badude's friend February 18, 2012
 
3.
Someone who uses their pic as if fishing by trailing a line, as from a moving boat but in Internet chat rooms day and night until they nab a catch.
Because she's been trading pictures and making plans to meet people, AquaLili is the biggest troller in here.
by LAFF April 21, 2004
 
4.
Girls or woman looking for a guy to cyber with.
Dude there alot of hoes trollin mIRC tonight.
by juscuz September 25, 2004
 
5.
A widget learning to walk.
I saw a troller hooked up to a fishing pole.
by piledog January 20, 2005