One to go beyond needed to criticize a person's writing or grammar. Could be one whom is very over reacter when someone uses grammar incorrectly or spells a simple word, or any word, incorrectly.
1. Man, stop being a Grammar Nazi.

2. That guy is a total Grammar Nazi, dude.
by Thunderbolt48 April 2, 2017
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The word Grammar Nazi actually has nothing to do with actual Nazis, the word is merely something you call someone when they correct your grammar too much or rudely.
(On a group chat)
StraightOuttaTiltedTowers: Yo sup bois wanna play some fortnite?
TheRealGrammarNazi: First off, you dont say yo, you say Hey. Second off its "Whats Up", and not "sup". And finally its "boys", not "bois". Wow, so many stupid people nowadays.
StraightOuttaTiltedTowers: Bro your such a grammar nazi this aint school no one wants to be corrected.
by TheDankerMemes November 3, 2018
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When you're arguing with someone on the internet and spell one word wrong, they use that as evidence that you yourself are wrong as well.
Person 1: Well actually, it is more likely that Bush did NOT do 9/11, although their are still a few people who like to mindlessly argue.
Grammar Nazi: How am I supposed to believe anyone who spelled "there" wrong?
by funwillfunwill March 5, 2016
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A f u c k i n g w h o r e.
"Your a b i t c h"
" Actually it's you're "
- Grammar Nazi
by wot. November 29, 2017
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A term somebody uses based on a CollegeHumor video where a Nazi corrects somebody’s grammar.
Person 1: Your such a douche
Person 2: You’re*
Person 1: Ugh, stop being such a Grammar-Nazi!
by Just a person named john September 2, 2022
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A Grammar Nazi is a slightly rude nickname for someone who has the ability to correct others' impropper grammar and help them become better. Sometimes it is just in their genetics or they can't help it when someone speaks like a toddler.
"You are such a Grammar Nazi."
by Lillia-Chan April 8, 2018
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