GFOS

Girlfriend Over Shoulder. Said to your fellas online to alert them that the topic of conversation suddenly warrants a window change and that you may bbl to finish said topic, or that the topic needs to change quickly while you make the window smaller.

Mike: yo that chick you were talking to at the bar was hot
Bill: hell yeah dude
Mike: did you get her #?
Bill: shit, gfos
Mike: so
Mike: how
Mike: about
Mike: them
Mike: lakers
Mike: ?
Bill: nice1 brotha