A person who tails a person for their protection/personal benefit.
Person 1:Whoa! who is that guy?
Person 2:Looks like you got a Heroic Stalker!
A mentally ill pathetic idiot who is obsessed with someone else and posts stupid crap on their wall every single fucking day, without giving them air to breathe. Not to mention a like on every picture the stalked posts.
When you wake up in the middle of the night furiously tonguing the asshole of your partner.
Man, I woke up the other night doing a mad night stalker on Billy.... he didn’t mind it though.
A person who hooks up with people, and then stalks them on facebook. This is different from facebook whore.
Dude, that girl is such a facebook stalker. She won't stop messaging me.
A person who was a stalker, someone who doesn't stalk any more. Akin to ex-boyfriend/girlfriend/
I'm her ex-stalker, I found better things to stalk.
Using Foursquare to see who has checked into the venue you are at, and then looking around to try and find them.
Square Stalker: *shows friend picture from Foursquare profile on phone*
Normal Friend: What?
Square Stalker: This person is here. Do you see them anywhere?
Normal Friend: Dude stop square stalking, weirdo.