Defiling

[PussyCat]

A new sport wherein the participants take pictures of each other in the act of [dry humping] people, monuments, signs, bicycles, etc. within a set time limit. The teams then reconvene and the pictures are [judged] based on a predetermined set of [criteria].

Usually preceded, accompanied, and followed by the consumption of alcohol

[Dave Paprocki]

When two or more people are taking pictures of each other [in the act] of [dry humping] people, monuments, [signs], bicycles, etc.
Usually preceded, accompanied, and followed by the consumption of alcohol

[Tariq Zaki]

present participle of defile