When someone does something on Facebook just to make a point, or have everyone else see it. Can be done by a status, or joining of a group. Usually not a direct comment or wall post.
Facebook news feed: Brain just became a fan of "Harvard Business School Class of 2014"
Carlos: Man, Brain is such an asshole, he just wants everyone to see that and rub it in their face. He's just conspicuous facebooking like always.
Status: Meg just got a 2400 on her SAT!
Julie: Meg is such a jerk, everyone knows she's a fucking genius, why does she have to gloat all the time?
12 step recovery jargon referring to someone new who talks about how great life is, now that they'resober. Usually meaning that the person is out of touch with reality.
The new guy seems pretty happy for a dude who has no job, no money and no family. He must be on a pink cloud.