shtalker
a shtalker is someone who stalks you for the sole purpose of talking shit.
{ten seconds after you log on facebook}
shtalker: Hey Bob, wtf have you been?

Bob: Uhhh, offline?
shtalker: Looks like you got picture raped last night.

Bob: How long have you been waiting for me to log in?
shtalker: idk, lost track of time keeping tabs on my fucket list. I added your face to the bottom.
Bob: shtalker, you're such a shtalker.