Top definition
verb

1. to be monumentally unsuccessful/impotent at a given task.
2. to stop working properly.
3. to leave something unfinished/neglected.
4. lyrics to Britney Spears' new single: "Oops, I Epic-Failed Again".
Dude, you epic-failed with that last sentence; it officially contains more inaccuracies than it does proper English grammar.
by EDI Guy March 07, 2011
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