It means you are bloody awesome, which is a very very good thing. (Just think of Ron Weasley saying "bloody brilliant"!) An awesomenoxious person is top-notch and usually the head of a cool group.
A word describing something so phenomenal that only the creation of a word, such as “awesomenisity”, can allow the human brain to comprehend its magnitude...BOOM!!!
Stephen Colbert's level of “awesomenisity” is so high that only sharks with frickin’ laser beams on their heads that eat hip-hop dancing hamsters, have the ability to “think” they might have heard of him…in a dream…maybe…