A person of whom preys on the weak and addicted in the facebook world. These "facestalkers" spend every spare minute looking at everyones status update, new photos and potential friends or 'hotties'..
Such people are in need of serious help as once they begin the stalking, ending is near impossible!.
"hey you should totally check out.... he is so hot.. i'v been facestalking him"
"omg- your such a facestalker"