Quote Originally Posted by Anarion
Hmm, I had a lot of friends start using "epic" as a replacement word for awesome.
Based on listening to my 11 year old daughter and her friends, I'll confirm this one.

Another they use is "fail" as a noun. "That was such a fail," for example, is something that they might say when they do something really bad in a video game.

And, of course, you can combine the two - epic fails, apparently, happen all the time. At least, judging by how often they say it...