To wack a girl on particular part of her body solely for pleasure.

When a multitude of guys, usually gay, smack their wieners against their friends’ wieners at a very fast pace. They tend to all join together in a circular formation to begin the game. Traditionally, the person who stays in the circle the longest wins. (Bruises and lost pubic hair should be expected)

When a male tapes a razor blade to his penis and spins it in a circular motion to trip the pubes of a female.