A verb {stlk-buk-ing} meaning to creep or stalk one person or more using the biggestinternet stalker tool ever; facebook. We are all addicted to it and we all do it, don't deny it.
Guy 1: Dude, what are you on your ex-girlfriends profile again?
Guy 2: Uh, what, nothing...
Guy 1: Man, you're fully stalkbooking her!
Guy 2: Shut up!
ashley: i think she had a picture of it on facebook..
sara(stalkbooker): oh i know she uploaded it .2 seconds ago ashley that's such old news.
ashley:creep stop stalkbooking
sara:shut upahhhhh!