you can find scene kids displaying this at local murdercore shows.
Jerry: That sucks brah, you shouldn't creep walk that low next time.
Scotty: Shut up, Jerry.
When someone, usually a Male, gets up from a seated position and slowly stares at the people surrounding him, then proceeds to walk slowly through the group of people, creepily staring at each as he passes, then retreats to a secluded area to be creepy solo.
Creep walking is extremely effective if done whilst wearing headphones.