Facebook Paranoia - Noun. - unfounded or ill-founded fear of (1) unauthorized editing of one's Facebook (FB) account characterized by unflattering profile pics or socially deplorable interests by hackers or prankster friends; (2) misinterpretation of FB communication due to lack of voice inflection, especially in private messaging; (3) seizure and hoarding of drunken/out-of-context photos by others for future blackmail; (4) being caught in a lie when your off-FB conversations are countered by another's cognizance of your FB information; (5) unintentionally revealing oneself as a stalker by acknowleging awareness of another's interests or recent activities only noted on FB, especially when involving a crush/casual hook-up;
Facebook paranoia situation 4 - John to friend while at gym: "Sorry I couldn't watch the game with you guys last night, I was putting nitro in the Mustang." Friend: "Dude, don't lie, I totally saw your girl's wall post to her friend that you were watching The Notebook last night with her and that you cried during the love-making scene."
Facebook paranoia situation 5 - Girl: "My friend and I were talking about going to a movie later this week, if you don't have to work maybe you can join us?" Boy: "Oh yeah, I've been wanting to see Zoolander too and I don't have to work Thursday!!" Girl: "Um....how'd you know.....?"