An uber-cool and ravishingly good looking internet forum dweller who flits between threads like a skylark betwixt the clouds, posting seemingly off-topic missives about monkeys, dolphins and highwaymen with like-minded souls, much to the annoyance of other forum dweebs.

This is called "thrashing". Those who do it are "thrashers".

Poster 1 : What do you all think of the latest series of This Is Your Life
Poster 2 : It's excellent, but I wish they'd do Derren Brown
Thrasher 1 : What is your favourite type of monkey?
Poster 1 : What?
Thrasher 1 : I prefer the bonobo.
Poster 1 : ARGH :madsmiley:
Poster 2 : HELP :sadsmiley:
Thrasher 1 : God I'm handsome.
MODERATOR : You're banned Thrasher!
by Niteflite April 10, 2006
11 more definitions
Top Definition
One who listens to thrash metal. Basically a headbanger. Most like to drink and get rowdy. Usual pick up line is "hey baby, you into speed metal?"
Those thrashers at the bar tonight were getting too damn rowdy.
by shitface December 01, 2003
A thrasher is anyone who lives and breathes thrash music. This might also be
(or at least should be) a metalhead.Though the thrasher is technically a metal head the thrasher will only listen to thrash metal and rarely go outside this genre. And if they do go outside they are bound to go back in to the genre in less than a few hours. The thrasher attire is farely simple and does not require any real money(except for the jacket which will be spoken about later) The tharsher look is to basically wear anything you have and not give a fuck what anyone says. This usually consists of old white high tops some tight jeans a band shirt(of any color) and the jean jacket. Now if said thrasher does not own any thrash band shirts then this person most likely has a jean jacket with his favorite metal bands on it. Since the jacket goes more into detail aboout what the thrasher likes the more it is taken around and the less likely it is to be washed. Thashers could care less about what anyone else thinks. The music that pisses the thrasher off most(and this is true for some metalheads) is ska Look it up it wont be defined here. The true thrasher goes to every gig he cans and as a result learns to be a pretty tough bitch considering hes been in more than 10 fights for no utter reason. Thrashers are great allies and you wont want to have any of them as enemies. Youll get fucked up....bad. Especially if you talk about there music. Thrash is all mighty to them. Thrashers are often found in other groups with other thrashers at night most likely going to a gig.
Kid 1 man that kid wears the same thing everyday!!
Kid 2 well if you look at him hard enough youll notice he changes shirts everyday...pants on occasion

New scenario
Kid 1: Man i LOVE The Killers they are SOOO great!
Random thasher kid: Goes to the kid and sicks the shit outta him..twice

New scenario
Dave:Damn what happened to Eicks face!
Patrick: He said that ska was the dumbest thing to ever exist on the face of the fornt of a bunch of skankers

New Scenario
Some kid: So our assignment for class is to see what kind of music that other people in the class like so i guess Ill start with you
Thrasher Kid: Oh man I love thrash metal! And Ive seen Megadeth, Slayer, Anthrax, and Metallica in concert. But metallica is starting to suck though but their new shit is good. I kinda listen to Iron maiden too because in a way they kinda kinda kinda started the...

Some kid:(Yeah this kid is gone already)
by Patrick Anthony Taylor February 13, 2009
A song created by the thrash metal band Evile. The lyrics refer to the sensation of being in a moshpit.
Did you see Evile play last night? Thrasher was absolutely brilliant.
by Firestarter001 July 19, 2008
people who listen only thrash/death/black metal and say that others sucks. very often they're just posers who try to look cool and really don't like such heavy music.
Thrashers: Slayer rules! Metallica rules! Others are complete shit! Fuck 'em all!
by another asshole August 23, 2013
Someone who listens to thrash metal. Characterized by their inability to hold a job, stay in school, keep a relationship, or stay sober, and their tendency toward violence. Thrashers are commonly found in record stores, music venues, parties they're not invited to, the back of police cars, and passed out in strange places.
WARNING: Do not insult extreme music around a thrasher or risk severe injuries.
Girl: "Dara's dating some thrasher."
Guy: "I don't know how some asshole gets someone like her..."
Girl: "Damn, what the hell happened to your face?!"
Guy: "Some thrasher got drunk and fucked me up for no reason"
by Zetro Eddie July 29, 2009
A dedicated skateboarder or in-line skater. Someone who considers it not just a sport, but a life-style.
The thrashers swarmed the parking lot.
by prod November 24, 2004
Anyone, male of female, who is predisposed to arbitrary violence.
Andrew's gang is a bunch of thrashers. They busted my car last night.
by Syntel October 12, 2002

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