The act of slapping somebody hard across the face with the bottom of a flat soled shoe, creating a satisfying noise as the shoe meets the skin
by Jonny5ive October 14, 2010
An aquatic maneuver in which, whilst swimming under water, the swimmer pulls down their bathing suit and then surfaces only their bare ass (like a dolphin surfacing its dorsal fin) to unsuspecting fellow swimmers and beach-goers. The white-finned dolphin is ideally executed by one with the palest of asses.
by biffrichards July 06, 2006