web stalker 

Some who stalks someone else online via Forums, Instant messaging programs or other forms. Usually due to an infatuation with the stalkee.

Joe stalked Jen by posting only to her messages on forums.. This makes him a web stalker

web stalker by Mr Paul James August 2, 2006

Web Stalker 

When someone seems to follow you on Facebook, Myspace, Twitter or any other social network.

Why do you keep comenting on my posts? Your such a web stalker.

Web Stalker by Treysteroid October 25, 2010