Noun: Refers to a special group of people encompassing, students and adults. Common characteristics of people belonging to this group: stuck up, serious, usually looking out for their own wellbeing, grade or else wise, often disregarding their so called friends in the process, and quite often making a big deal out of a B+ thus earning them the title of Type A because anything less is a failure in their eyes.

noun. a dangerous driver. Self-centered, makes sudden lane changes, doesn't signal, passes on right, will 'close the gap' if you signal to pass someone and would eventually pull in front of him/her, passes 3 cars at once on one lane road with on-coming traffic, will pull into a parking spot you're waiting for...freeway surfer. Usually drives an older model BMW that was bought used. (not always, but likely, of type A Blood group)