Grammar is the set of rules of language and how we use it. Correct syntax, sentence structure and punctuation are all part of grammar.

People who use correct grammar capitalize the first letter of their sentences and end sentences with a full stop. They use commas and apostrophes when they're supposed to. They write sentences which neither run on or are sentence fragments.

Apparently, being on the Internet is an automatic exemption from using grammar and spelling. It's true, ask anyone why they don't use grammar on the Internet and their reason is always "Because it's MSN/the Internet/IRC". There's no real reason to not use grammar. Grammar is out of fashion nowadays, you're more likely to be ridiculed for using correct grammar than not.
A little lesson on common grammar errors:

Your - Implies ownership, example: "Your dog" or "Your house", NOT "Your stupid".

You're - Used to describe someone when talking directly to them, usually followed by an adjective or "a/an (insert noun)", example: "You're stupid".

There - Referring to location, example: "He's over there" or "Are you there?".

Their - Implies group ownership, example: "Their house" or "Their rights".

They're - Contracted form of "they are", example: "They're quite stupid".

It's - Contracted form of "it is", example: "It's really hot outside", NOT "A cat and it's kittens".

Its - Implies non-human ownership, example: "A dog and its bone".

He's - Contracted form of "he is", example: "He's so sexy", NOT "He's hat".

His - Implies male ownership, example: "His hat", NOT "His so sexy".

by Grammar_Nazi January 21, 2008
Grammer=Spelling
Skyler wins.
Skyler is king of all that is grammar
by smewhjalr August 04, 2007
a system of understanding a language using proper sentence structure, uses of words and their functions in a sentence, spelling, and other things.
Grammar is sometimes thought of as obsolete because it seems that no one cares to use it anymore. However, there is nothing wrong with abandoning grammar online because that is it what it is meant for! All of you who are making fun of people who use abbreviations on the internet are stupid, because that is the point, you are supposed to be able to say things quicker, even if it means spelling "for" as 4!
by Exhoc December 19, 2005
The whole dating/girl-and-guy-liking-each-other scenario.
There was so much grammar goin' on at the dance!
by the Society to Prevent Boredom January 21, 2006
something we don't give a shit for.....not even at school
Teacher: you failed your test today because of your atrocase grammar
Student: yea well i don giv a shit fo it anymor and stik that in ur pipe and smok it wed woeman
by robbie regan March 07, 2007
Something ridiculously stupid and useless because pretty much every time someone uses bad grammar or spelling you can still understand what they are saying. People using bad grammar is a lot less annoying than people who go around correcting it.
Grammar sucks..... gram3r suxxxxx..... both mean the same thing so SHUT DA FUCK UP
by J-Smoove March 12, 2006

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