Counter-Stalk 

To stalk someone back for stalking you.

Hemang was counter-stalking Jake Plichta because he's such a bad kid.

Counter-Stalk by C Tim December 22, 2008

facebook counter stalking 

The act of stalking another facebook stalker.

This facebook stalker is totally stalking me. I'm going to do a little facebook counter stalking. Give this freak a taste of his own medicine.

facebook counter stalking by pussyposse December 7, 2009

Preemptive Counter-Stalking 

The act of stalking a potential stalker, in order to learn everything about them, and using this information to make yourself undesirable to them, thus evading the stalker.

I think this girl that just added me on facebook is going to stalk me. I'm going to stalk her profile, so I can lie about anything we might have in common

Yeah, Preemptive counter-stalking is the way to go.

Preemptive Counter-Stalking by jimmeh777 April 19, 2011