What unoriginal, unimaginative motherfuckers say to other people in an attempt to help them forget what a failure their life really is.
Person A: "What an epic fail"
Person B: "Hey, fuck you man!"
by Jumbrone October 19, 2009
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What people tend to do when engaging in online chatrooms by not giving themselves the ability to hit the backspace button to correct epic typos.
Person 1: <# i luvv youu!!1
...
fail
Person 2: hahaa you fail!
by N@y March 28, 2011
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To not succeed in a venture or activity. Various permutations of the phrase can be turned into almost any part of speech.
<Cyb> my bin2hex function is failing it
<mewse> you fail it
<Linguica> failure of it indeed
by Linguica November 7, 2002
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the stupidest trend in existence, said by people who lack a better word, or just don't have the balls to say "you suck"

supposed to imply failure at whatever was just attempted
*kid trips over*
"FAILL"
"fuck you. you're not funny"
by gigegigegige August 3, 2010
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1. If you do not succeed at a goal that you were going for
2. If you get a low test score
3. If you are a faggy fuckfaced shithole eating anal grease sucking buttfucking shit raping douche-waffle-mc'cunt-nugget, then you can use this to describe your friends if they do something that they weren't even trying to succeed at
4. A person disses you and you are such a fuckhole that you can't think of a diss you may use "fail" here.
1. I failed at getting the job that I wanted.
2. I failed on the test today.
3. Kid accidentally trips
Faggy douchebag shitfucker: You Fail!
4. Kid calls you an inside-out asshole licker
Inside-out asshole licker: You Fail!

* Please if you really want to be a good friend tell your retarded shit-eating friends to stop saying fail, seriously nearly every one of my friends say this and I hate calling them shit fuckers, but I have to so someday they will get some sense and look back at their retardedness and say "Why did I use to say fail, God I was a regurgitating asshole"
by laurent415bay June 4, 2009
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1: To not achieve one's goals.
2: To recieve a grade of less than 60/100 on a test.
3: A word which has become an instant giveaway for stupid teenage fucks who think they are clever because they say things like "EPIC FAIL" or "YOU FAIL". Originally, these and other stupid phrases incorporating the word "fail" were given birth within internet cesspots such as 4chan, but they have rapidly found acceptance among the adolescent population as the new, cool thing to say.
It is likely to become another pseudo-intellectual word popularized by the internet- further examples including words such as existentialism.
1: I wanted to fuck her in the ass, but even after I said that she'd do it if she really loved me, she said no. I failed.

2: At the DMV I scored a 15/100 on the Alcohol and Substance Abuse test. Suffice to say, I failed.

3: "You've never seen Donnie Darko? YOU FAIL."
"You don't like Napolean Dynamite? YOU FAIL."
"You think My Chemical Romance sucks the fucking sack?
YOU FAIL."
"My mom made me clean my room? FAIL."
"Eat my brocolli and carrots? I DON'T WANT TO. YOU AND
MOM ARE MADE OF FAIL."
by LicensesToStone November 18, 2007
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to completely suck at something
e.g. any student with a fail name such Jason Dusty
getting 3/120 in a maths tested
by Jason Dusty September 13, 2010
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