Glossary: Whip Pan Shot
An extremely fast movement of the camera from side to side, which briefly causes the image to blur into a set of indistinct horizontal streaks. Often a nearly imperceptible cut will join two whip pans to create a trick transition between scenes.
From Magnolia
Frame 1: Donnie in bar
Frame 2: Whip pan Frame 3: Whip pan (second shot) Frame 4: Linda in pharmacy Frame 5: Linda in pharmacy