Someone who hides the fact that they are online and spends lots of time on Facebook in others business: reading status updates, looking at pictures and following conversations and comments with others. He/She may spend hours looking up people from his/her past and or others friends, gathering as much information about them as possible somewhat secretively, without commenting or messaging or otherwise adding that person as a friend.
How do you know about XXXXX?
I was a FB Stalker the last couple days.
Also: FBstalking.
When one complains about problems on facebook -- and responds to every bit of sympathy; kind of looking a bit cheesy. Hence Facebook Cheesy. Or ---FB CHEESY---
FB Friend #1 : You know, I feel bad his grandma died and everything but he's being a little too FB Cheesy about it.
FB Friend #2: Well don't be too harsh on him, but uh yea, that is a bit FB Cheesy. :(