Cocoricocoboy 

Cocoricocoboy is an old French TV Show. Often reffered to as an idiot or someone who thinks they're mad or awesome. Mainly used on guys, because it is CocoricocoBOY. But can be used on girls also.

Person 1: That guy reckons he's so Cocoricocoboy.

Person 2: Yeah I know, what a bert.

Another example:
Guy 1: Look at that girl, she's dating such a Cocoricocoboy!

Guy 2: Haha, yeah I know!

Cocoricocoboy by Muftington July 22, 2009