breaking ass

a horrid and nauseating smell emanating from one's ass.

The lady standing in line ahead of me was breaking ass so bad I threw up in my mouth.

breaking ass by hrlmkid October 23, 2013

Breaking Bad Ass 

In reference to how great the show Breaking Bad is, this term was developed to describe how something is more than bad ass.

Pat: "Hey, Eric. Did you see Conan's show last night?"
Eric: "Yeah, it was breaking bad ass!!"

Breaking Bad Ass by egge28 November 3, 2010