When you grow up in a small town, and are denied access to the local bars due to the legal drinking age requirement to enter those bars, boredom sometimes gets the better of you. So you create imaginary bike gangs and you ride around with your friends all night, occasionally making a pit stop to eat a "road dog" in front of the neighborhood strip club. Then years pass, you grow up(?) and all of a sudden you feel inclined to make stickers commemorating that weird time in your life.
Learn something new. Here's another meaning for the word lore: The surface on each side of a bird's head between the eye and the upper base of the beak, or between the eyes and nostrils in snakes.