Bike Rat– (noun) People who hang out at bike shops, dirt tracks, and other bike related venues. These are the guys who eat, drink, sleep and wake up to bicycles. They ride all day, rest at the bike shops, and talk about bicycles; its parts, performance and reviews. It is easy to spot a Bike Rat, just go to your local bike shop and observe the bikers there. If the person is not an employee of the shop, but he rolls like a boss (but isn’t actually the owner).