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6.
Very similar to Epic Fail, except, by some means that should most likely not be allowed by the laws of probability and physics in general, it becomes so clumsy it turns around and turns into win.
fail: Try to punch somebody and miss.

epic fail: Try to punch somebody, miss, and crash into a wall.

Epic Flail: Try to punch somebody, miss, crash into a wall, and accidentally cause a bookshelf to fall on the target.
by A Fish May 14, 2008
 
1.
Very similar to Epic Fail, except, by some means that should most likely not be allowed by the laws of probability and physics in general, it becomes so clumsy it turns around and turns into win.
fail: Try to punch somebody and miss.

epic fail: Try to punch somebody, miss, and crash into a wall.

Epic Flail: Try to punch somebody, miss, crash into a wall, and accidentally cause a bookshelf to fall on the target.
by A Fish May 15, 2008
 
2.
Epic Flail (v)
1) To wave one's arms wildly in an erratic motion, causing physical harm or worry to others.
2) To make a motion or gesture that results in embarrassment.
3) To dance like a dying fish
Audrey: Oh my God! Look over there!! -Moved her hands wildly, resulting in the black eye of a stranger.-
Shannon: Epic Flail.

"See that guy dancing over there? He epically flails.
by Time is a Lion January 20, 2009
 
3.
When You Encounter A Magikarp In Pokemon And All It Can Use Is Flail.

An Even Bigger Epic Flail

When Said Magikarp Beats You Using Flail.
1) "Magicarp Used Flail! Nothing Happened." Haha Epic Flail
2) "Magicarp Used Flail! IT WAS SUPER EFFECTIVE" OMGWTFHAX!
by xStarwolfx April 11, 2011
 
4.
When a failure harms or negatively affects a group of people.
Guy 1: "Dude, did you know that some moron took a dump in the urinal?"
Guy 2: "Yeah it was nasty."
Guy 3: "That was an epic flail, we could of all been fired!"
Guy 1: "Yeah Man, I'm glad that douche doesn't work here any more."
by Why So Curious October 23, 2009
 
5.
John McCain.
McCain's epic flail: "The attention high from when I chose a badly underqualified religious nut as my running mate has worn off. So now I'm going to cancel debates and pretend I care about the Wall Street bailout. Look at me, I'm running a Very Serious Campaign!"
by poor_gop September 25, 2008