One who uses refined vocabulary, correct grammar, constantly finds themselves correcting grammar and spelling (in forums, chatrooms, tumblr, YouTube, etc.)

First, you have your mild GNs, they're much kinder and respectively tell you about your grammar/spelling that is incorrect.

Then there's your experienced GN, they're much harder on you and constantly browse through pages to reply to people who have terrible grammar and spelling form.

Finally, there's the hardcore GN, only they have earned the right to sPELL liKe thisss and still be refined, respected, not a asshat GN like most internet GN are. They usually reply with a simple correction and move on.
If people's verbal words could be seen like they were typed:
'omg your gay'
"What about my gay?"

randomanon101: lol that coment was so funny. your all so silly.
Grammar Nazi: *comment *you're
by ~Nana~ April 01, 2013
Someone who believes it's their duty to correct any grammar and/or spelling mistakes they observe.
"Your awesome!"
"Actually, it's 'you're'. Your shows ownership. I don't own an 'awesome.' I'm Grammar Nazi. "
by Ryleigh-Jude September 26, 2009
A person who uses proper English, proofreads papers for fun, and gernerally corrects everyone's improper grammar. This person feels very ashamed when he or she is caught making such errors and corrects himself/herself often. It should be noted that a Grammar Nazi simply wants to help others and does not correct others out of arrogance.
In journalism class, many preferred going to the Grammar Nazi for help over going to the teacher.
by Tromp September 03, 2007
An upstanding member of the Third Reich who believes people should be threatened with internment in a concentration camp if there communication skills aren't perfect... Wait! I was just kidding! Please don't take me away!!! Heil Webst...
GN1) That Arschloch over they're should be sent to Auschwitz!

GN2) Did you just...

GN1) How dare you question a fellow grammar nazi!

GN2) Too late, mein Herr. Heil Webster! Grammatik macht frei!
by Urban Merriam March 26, 2010
1. Somebody who corrects another person's grammar and spelling in an ad hominem attack.
2. A label incorrectly applied to a person who corrects another person's grammar and spelling, regardless of other content in their post and the egregiousness of the errors being corrected. Ironically, this misuse of the label is itself an ad hominem attack.
1. Poster 1- I like Obama's proposle for healthcare reform: It would give poor Americans access to much needed healthcare while retaining the option of private insurance for those who can afford it.
Poster 2- You misspelled "proposal", so your ideas are invalid.
Poster 1- I made a perfect logical point, and a typo does not refute that, you're just being a grammar nazi.
Poster 2- That's a run-on sentence.

2. Poster 1- I h8 oB4m4 b-cuz he wuznt brn 1n da AMEEEERRRIIIICCCCAAAAAA!!!!!!!

Poster 2- Okay... I took the time to decode what you were actually trying to say with your horrific spelling, and it really annoys me when you "birthers" stick your fingers in your ears, close your eyes, and ignore the fact that Obama has released his birth certificate and he was born in the United States.
Poster 1- ur sch a GRMR NZI!!!!!!1!!!11!
by endercoaster August 04, 2009
A person who corrects people's spelling/grammar mistakes on the internet.
Person 1: Their so gay.

grammarnazi: You're using the wrong form of they're. You are supposed to use they're, which is a contraction of they are.

by grammar nazi is wrong! April 01, 2010
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