The response to somebody who obsesses over something that is insignificant in the eyes of others. Someone who enjoys doing (or speaking of) things that involve no productivity.
Rachel: My boyfriend and i broke up AGAIN!
Sophie: Thats the third time this week! G A L!
bill: the cincinnati bengals are trouble makers. jon: you know what b.e.n.g.a.l.s. stands for?
bill: what?
jon: bout every nigga got arrested last season.