1. A supreme douchebag, unmatched in his ability to act like a moron and shame the human species.
2. The word douchebag with an "el" added to it for comical purposes.
> John: Wow, you're a fucking douchebagel. You smell pretty bad too.
> Douchebagel: Yeah, I know. I'm going to eat a tub of shit now...want to watch?
> John: WHAT THE FUCK!?!?!?!