Mega Badass 

A level above badass. You become too badass to be called badass anymore.

Nelson isn't badass anymore. He's gone a level above badass. He's Mega Badass

Mega Badass by asdfgghjk December 25, 2008

Megabadass 

Behavior or action that is so cool that by many traditional definitions it would be considered lame.

Dude, that thug was wearing a totally megabadass Mr. Rogers shirt.

Megabadass by joe14joe January 13, 2009