It is used to define how crazy and awesome a girl could be at the same time. Mainly used to describe girls sreading Happy and good vibes around them.
It symbolizes that the girl has some swag and some amazing sense of humor. Also, she has some nice counterback lines. She's savage.

v. collectively or individually finding someone/something to blame for a problem, as opposed to brainstorming which connotes finding solutions to a problem

n. the act of finding someone/something to blame for a problem

(from a TV ad for HD television)