a nerdy pedofile asshole, who has a fucking beard on his or her neck. they are not worthy of living.
that neckbeard posesses hair on his/her neck.
by kung fu fighter dinosaur April 11, 2011
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A noticeable growth of hair on a persons neckal region. Usually the face is well groomed but they decide not to groom the neckal area. No one knows why for sure but professionals have speculated that it might be afraid that they are afraid of cutting their neck over childhood scarring. The hair that grows on the neck is also referred to neck pubes.
"My god! Harley sure has a massive neckbeard!!"
"MARINA JUST KISSED HIS NECKBEARD! THATS GONNA MAKE ONE NECKBEARDFUL BABY!"
by Neckbeard the Pirate June 23, 2008
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Something a person does while sitting in a corner dive bar, probably leaning on an old Jukebox playing indie music or a hipster easel made of repurposed burlap, while watching well-groomed men attempting to pick up opulent females. The action requires a lean just enough to offset one's balance while simultaneously billowing out the stomach for what appears to be the preparation of a boisterous laugh, but instead ends in a silent chuckling motion with a horizontally-facing fist to the mouth.
I went to the corner dive trying to snag some local talent, but some well-composed douche in the corner threw me off with his super distracting neckbeard chuckle.
by msacco February 10, 2021
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The hair on the back of ones neck. Usually connects to back hair. It is unknown as to whether or not the neckbeard is formed from the hair on the back or from the hair on the head. Neckbeards are easily controlled with regular and proper maintenance.
"Man, does that guy ever have a massive neckbeard!"

"I thought that it was a tattoo, but it turned out to be just a neckbeard."

Wes groomed his neckbeard before his big date.
by Sod Face February 10, 2010
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THE CHRONOLOGY OF NECKBEARD HITLER, PART ONE: The Rap Game's third billionaire after Dr Dre and MCX. Legend has it that Neckbeard Hitler once destroyed the next big thing in rap, Yung Nonce in a rap battle and and Yung Nonce had to flee to the inner depths of the Amazon Jungle to escape the shame. However, this cannot be confirmed as Neckbeard Hitler has not left his room since. The only one who has access to his room, nicknamed the 'kingdom of NH and his Waifu =^_^=' is his mother, a long suffering woman whose soulmate (and father to Neckbeard Hitler) was shanked by a now well known rapper. This is why Neckbeard Hitler aspires to save the rap game, to avenge his deadbeat dad who left for a pack of cigarettes when Neckbeard Hitler was 14, just after he dropped out of school to play COD. Back then he rarely left his room, still much better than today, and his mother did not have the heart to tell him his father had left for greener pastures (by greener pastures, I mean a woman who did not smell like the skip bin at the back of a fish market. She maintains it is genetic, but no one has ever seen her purchase even a bar of soap, a trait she seemed to pass down on to her son)
Person one: 'I hear that 'Genocide the Furries is predicted to be the hottest album drop of 2019, who's it by?
Person two: 'Neckbeard Hitler, but don't say his name too loud, legend has it that he has a 200 kilometre hearing range'
by captain stiffy February 5, 2019
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THE CHRONOLOGY OF NECKBEARD HITLER, PART 2: After she learned the news of his slaying, she felt too guilty not to tell Neckbeard Hitler, so she informed him of the terrible news. He, for only the third time in his life, felt empathy for a human being (the first time being when some feminist he pays half his centrelink money too explained to him the oppression of when a man accidentally rubbed up against her on a busy city train, and the second was when his body pillow ripped, which technically doesn't count as a human, but if you say that to Neckbeard Hitler, you'll be lucky to escape alive). He tried to hang himself, because he was going through that 14 year old edgelord phase, but there was no rope that would fit around his already scabbily bearded neck and 10 chins. Being the genius that he is, he attempted it anyway to no success. But then Neckbeard Hitler had a thought. One that would change the path of the collective human history forever. He decided to start rapping. He was going to become a rapper to absolutely obliterate his father's killer. He found Yung Nonce online on /b/ and decided to battle him in a war of words, a war from which Yung Nonce would never recover.
Person one: 'I hear that 'Genocide the Furries is predicted to be the hottest album drop of 2019, who's it by? Person two: 'Neckbeard Hitler, but don't say his name too loud, legend has it that he has a 200 kilometre hearing range'
by captain stiffy February 5, 2019
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The term 'neckbeard' goes beyond any gender. You may see the average female neckbeard with scraggly long hair to her butt. The hair will be dull and dead from never bathing it, or from frequently dying it. She will have greesy, 2 month overdue roots. She doesn't wear makeup and has a superiority complex about it. Cheap corsets, anime t-shirts, batman merch, and outdated jeans that drag on the ground. Probably has an infected looking eyebrow or lip piercing. Wants a guy who looks like Benedict Cumberbatch or Tom Hiddleston but complains that men are so shallow and only like those fake pretty girls; why can't they just see her for her personality. Social Justice Warrior. Usually wears the stupid jackie-cadet hats that everyone hates from 2002.

Laughes at jokes that only 4th graders would like.
"God, is there a word for a female neckbeard? Because thats what Brittany is."
"I know, she smells like cheese and low tide. I wish she would bathe."
by Kaylathewathful January 4, 2017
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