It is illegal to distribute slipstreamed CDs. In some locales, it may also be illegal to create them.
To take advantage of the suction produced by a slipstream by travelling immediately behind the slipstream generator
Although dangerous, over the road truck drivers sometimes slipstream with each other to save fuel.
The slipstream of a fast-moving object such as a car, plane, or boat is the flow of air directly behind it. He left a host of other riders trailing in his slipstream. the area of low air pressure just behind a vehicle that is moving quickly