Also known as "the grade eight word", is the epic combination of five non-dictionary words, plus the optional prefix of "Epic" that are used quite frequently by people in today's society, more often teenagers. It's nickname ("The Grade Eight Word") originates from the location it was coined, a grade eight classroom. When someone thoroughly and utterly triumphs over the competition, this can be referred to as Epic Legit Uber Redonkulous Noob Pwnage.
Pertains to any situation, and happenstance that isn't to be taken lightly; This is an advancement of the word ridiculous, can be used in a variety of situations / brick-a-brack.
For instance, your drummer who is waiting to start practice and tryout a new singer calls you for the third time..
“Dude, …I’ll get there when I can; the freeway has been blocked for over 45 minutes…this is f’n redonculous..”