a growth of hair on a man's neck, especially when regarded as indicative of poor grooming.
"I can picture myself wearing these clothes a week from now, bits of food caught in my overgrown neckbeard"
by Retardato July 3, 2020
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(v) - to hide in your room, lights off, blinds drawn, shying from society in order to play a video game. This is the stereotype for Dwarf Fortress players but the variety is getting bigger, with games including Minecraft, Warcraft, and Team Fortress 2.
Niall: Where did Ryan go? The party starts in an hour!
Patrick: He went to his room to play TF2. He wants to get a golden wrench.
Niall: He's not neckbearding hard enough to get one of those, and he's neckbearding pretty hard.
by neo! July 6, 2010
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being over analytical over nonsense on the internet; hinting at your ever growing neckbeard.

This can also can be used to point out stupid nitpicking.

Also filling up an argument with pointless facts that do not prove anything.
Guy: I like how your sister used the water fountains as a metaphor for how the school is one regret after another
Girl: Dude, she's 10, Quit your neckbearding. She didn't think that far into it.

Anon1: Name the best band from the new millennium
Anon2: The Cure
Anon1: They're from the 70s
Anon2: Bloodflowers (2000)
Anon1: I said FROM not IN
Anon2: fuck you and your neckbearding!

Status: frankly illinoise (sic) had very little to do with that the music of that state. where was junior wells and the blues, where was the jazz and the acid chicago house? fucking no where. yes he can do wrong quite well. round of applause to everyone who fellates this guy's career

comment: Wow, you're certainly butthurt about this. Why do you assume that Sufjan had an obligation to reference the music of Illinois? He made a fantastic record about its places and people; stop neckbearding!
by imthatawesome October 12, 2010
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In programming jargon, a neckbeard is someone who enjoys working in lower level languages for the sake of being manly. Neckbeards typically favor Unix, VI, and AD&D.
by purly May 28, 2010
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Kyle Orton's alter ego, backup quarterback for the Chicago Bears
Kyle Orton takes the snaps, but Neckbeard throws the touchdowns.
by Miles Schermerhorn December 18, 2007
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The ultimate beard for people who don't want to hide their face with a beard but still love beards. Seen on fierce indie kids, gurus, football stars and sexy naked gorillas. Fucks up cctv face recognition and freaks out pussy haters. Popular a hundred years ago on the likes of inspirational revolutionaries such as Abe Lincoln Che Guevara, Bob Marley and Jesus and coming back now with a vengeance.
Wow sexy gorilla lead me astray with your hairy neckbeard
by hotbazooka April 6, 2010
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Jokingly- A general term for the many actions an IT professional must do at work.

Derogatory- The act of doing unnecessarily time consuming technical things on a computer for the sake of epeen, lack of better things to do, or for no meaningful contribution to society.
Person: What have you been doing all day?
Neckbeard: I've been neckbearding in Linux all day.
by Neckbeard2142 November 20, 2013
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