When one is driving, sees a visually appealing person of the opposite sex in the lanenext to them, and slows down or speeds up in order to catch a better glimpse.
A men's hairstyle in which all of the hair is greasily matted forward, as if forced that way after the person travelled backwards extremely quickly. Not done in an intentionally stylish way, the High Speed Backwards (or HSB) can be found on ragged old men or the homeless.