A term made famous by a Jew with more nicknames than ever thought of. It is usually put to use when describing someone/something that just can't do anything but lose/error/suck/etc.
Guy # 1: I just took your Bishop! Guy # 2: Dude that was my Knight! You are Epic fail!!!
By THE Rainbow Tree
When an internet based prank fails to have the desired impact.
ADAM: Hahaha! I sabotaged your YouTube profile and made you out to be a shemale to the whole internet! PETER: I don't use my YouTube account. Epic fail dude.
By Pablo 420
The big shit of all fails.
Dude, I epic failed that test in Hennessy's class!
By God dammit Lexi is taken.
phrase often used by nerdy kids to describe bad things
me using epic fail is an epic fail
By hella chill
when everything you do seems to suck and/or fail miserably. more over, every attempt you make at everything ends up in horrendous disaster or blowing up in your face.
asking your gifted teacher to proofread love letters to other men asking to court them. WHAT AN EPIC FAIL!
By LOLPWNTZ