A person (usually on a forum/newsgroup/chat room) who makes a habit of constantly correcting others' grammatical mistakes, often to the point of annoyance.
by Detonate January 6, 2004

Someone who believes it's their duty to attempt to correct any grammar and/or spelling mistakes they observe. Usually found hanging around Irc chatrooms hounding "n00bs".
by Sorrow June 12, 2003

by BigD™ May 30, 2015

Person 1: Your being annoying.
Person 2: It's actually you're.
Person 1: Thanks for the grammar flash, asshole.
Person 2: It's actually you're.
Person 1: Thanks for the grammar flash, asshole.
by ldizzle2012 February 20, 2011

When one person makes a grammar/spelling error and more than 3 people correct him/her simultaneously.
by Jimbob Huckaroo June 11, 2010

Ex. 1
Grammar Cop: How are you?
Person 2: I'm good.
Grammar Cop: You mean you're "well."
Ex. 2
Student: Can I go to the bathroom?
GC: I don't know, CAN YOU?
Student: MAY I go to the bathroom? (rolls eyes)
GC: Yes, you MAY.
Grammar Cop: How are you?
Person 2: I'm good.
Grammar Cop: You mean you're "well."
Ex. 2
Student: Can I go to the bathroom?
GC: I don't know, CAN YOU?
Student: MAY I go to the bathroom? (rolls eyes)
GC: Yes, you MAY.
by Brocrastinater September 15, 2009

Opposite of a Grammar Nazi.
Spells words poorly online and fights with Grammar Nazis in textual spelling correction fights.
Spells words poorly online and fights with Grammar Nazis in textual spelling correction fights.
by grammar red cross December 26, 2018
