A Lot Shark is person with a combover that raises when the wind blows hence taking the shape or resemblence of a shark's fin

A ballsack of a person who will doggedly follow a shopper from the door of a store to their vehicle where they will wait with vulpine intensity to spastically claim the newly empty parking slot. These people will constantly prowl the lot looking for "THE MAGIC SPOT".

Those kids who ride around parking lots on their bikes, yelling stuff at cars that pass by or just getting in the way of people driving their cars. Usually prominent on Saturday afternoons, usually about age 13-15.

They ride little tiny bikes that don't fit them, mostly.