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2.
In much the same way that "awesomesauce" modifies "awesome," epicsauce is the proper modifier to use when "awesomesauce" just isn't enough. It is epic to the power of ten.
-I just saw the Cloverfield monster and Godzilla duke it out!

-That....is....epicsauce.
by captainduncan September 09, 2008
 
1.
Noun: Epic sauce is the very essence of epicness. It epitomizes the highest degree of achievement most people can expect to achieve. A synonym for epic sauce is leet sauce; however, epic sauce much more preferable than leet sauce.
Mercrutio: "I think Transformers was a pretty epic sauce movie."

François: "Are you kidding me? Superbad was an epic sauce movie. Transformers was only a leet sauce movie."

Mercrutio: "OMG François you're right again."
by Argetlam42 January 13, 2009
 
3.
'epicsauce' is used to describe anything that's really cool, or epic for that matter. Technically, you could just use an adjective and 'sauce'. works just as well. Like coolsauce, or failsauce.
"Whoah, hey man! Cool guitar!"
"Yeah I know, it's sprinkled with epicsauce."
by Apples_n'_Llamas October 06, 2008