Typically a white, american, suburban, middle class teenager with below average social skills and an obsession with certain children's books/tv series/and video games that they maintain well into their twenties and thirties (probably longer though it remains to be seen).

To give them credit, they have managed to achieve things as a group. Most noteworthy being, raising money and awareness for many charities during the Vlogbrothers annual 'Project for Awesome'.

However, they are unable to describe these achievements as 'doing something good' or 'being a nice person' like you would expect. Instead they like to employ their pretentious, irritating and painfully unfunny catchphrases 'decreasing world suck' and being 'made of awesome'.

Ultimately they are harmless people, who try to do good in the world but go about it in the most obnoxious, styleless and cringeworthy manner I have ever had the misfortune to witness.
Normal Person: Yeah, I volunteer at the Homeless Shelter on weekends.
Nerdfighter: Thats so cool, you are made of awesome! DFTBA man! Lolol don't you think I'm quirky and adorable?
Normal Person: I'm going to leave now.
Nerdfighter: *goes to write quotes from a John Green book all over their shoes or some stupid shit*
by gkljgkjg;h;hl;h September 21, 2011
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People who instead of being made up of cells and organs and stuff are actually made out of awesome.
They fight decepticons on behalf of Nerds everywhere!
John and Hank Green are made of awesome Nerdfighters.
by SilmarilSam July 10, 2008
A nerdfighter is a person who is proud to be nerdy and intelligent, and who fights to decrease WorldSuck. Nerdfighters are not composed of cells and tissue, but instead made entirely of awesome. Nerdfighters are known to perform their Happy dances when they are joyful, and each Happy dance is unique to its respective Nerdfighter. Nerdfighters are diverse in their hobbies, which can range from writing Nerdfighter songs to playing D&D. Nerdfighters have also been described as someone who is "Outgoing, intelligent and awesome enough to accept nerd as a compliment". The polar opposite of a Nerdfighter is a Decepticon.
"I am a Nerdfighter"

"Are you a Nerdfighter? Yes? Then DFTBA!"
by penguin1124 April 10, 2009
Nerds who fight, usually against popular people. This term originated from the videoblog Brotherhood 2.0. John Green, one of the two participants in the videoblog, noticed a game called Nerd Fighters at an airport. Eventually, the viewers of the videoblog began being dubbed nerdfighters.

Nerdfighters are considered to be "made of awesome" by John, Hank (the other participant in the videoblog), and other nerdfighters. The nerdfighters often send in pictures of nerdfighter related activities to the videoblog, such as nerdfighter embroidered pillows. It is unknown what will happen to nerdfighting when the videoblog ends.
As an adjective:
"Bob is pretty nerdfighter."

As a noun:
"Bob is a nerdfighter."

As a verb:
"Yeah, I totally nerdfought my way through that."

As a group:
"The nerdfighters killed Bob's family."
by OMOMS August 28, 2007
Like regular people, only made of awesome.
Nerdfighters Unite!
by Becks Grevau September 28, 2007
Made of awesome people who are nerds. Nerdfighters call themselves nerd with a compliment, and their are many categories.
John: I've come to believe Nerdfighters is a game about nerds who fight, nerds who tackle the scourge of popular people.
by Laurenmacmoron August 30, 2007
The amazing army thought up by John Green of the vlogbrothers, after finding a video game at an airport called the same. Nerdfighters are made of awesome and kick deception ass with their jokes skillz and pwntastic Shakespeare quotes.
Dude 1: You are such a nerdfighter. You didn't forget to be awesome.
by NinatheNerdfighter February 27, 2008
A nerd who fights (against the decepticons -- also known as popular people).

One who is, instead of being made of organs and tissues and whatnot, made of awesome.

The word originated in John and Hank Green's video log projected, called vlogbrothers. While John was in an airport one day (curse those grey speckled walls), he saw a video game called Nerd Fighters.

Thus, the legacy of nerdfighting began.
Nerdfighters, we fight with our brains.
Nerdfighters, we bring the frakkin' pain.
by xxTheGazettE May 30, 2008
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