an internet cookie which is automatically implanted on your computer terminal whenever you surf a porn site. While beneficial to you if you habitually surf such sites, it becomes a problem if you don't want others to know where you've been. A very benign program, and easy to remove.
Nickarossi: "I got busted yesterday when the wife found sextracker on our computer."
Chachi: "You mulked up ho! Sextracker is so easy to get rid of!"