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.
7 Mart 2011, Pazartesi