A person who can not stop being awesome. No matter how hard they try to be corny or retarded they are perceived by others as being awesome. Antonyms include cornball, dork, and retard.
Al wore a Pink Floyd t-shirt to a rap concert but he was an awesomniac so he didn't get his ass kicked.
The condition of being so awesome that one is unable to sleep.. because they are so busy being awesome.
I am such an awesomniac