Facebattle

The act of hijacking someone's Facebook profile update to argue over a point or political statement made in aforementioned update.

Friend X: Well, if you look at Glenn Beck's site, he clearly states the facts, blah, blah, blah
Friend Y: Glenn Beck is an idiot yadda, yadda, yadda
Friend Z: Guys, can you take your Facebattle private? I was just trying to tell everyone how bad the line was @ Shangri-la!