Public play 

Masterbating or showing your body in a public bathroom or office.

Hey babe, do you want to do some public play while I am at work?

Public play by SolomanG February 7, 2018

Public Grundle Play 

Public Grundle Play* (more commonly known as PGP) is the act of manual stimulation of the taint of another while in plain sight of other human beings.

*also noteable is its close relative, Underwater Public Grundle Play, which adds a body of water and an uptight elderly Canadian couple into the mix

The crowd watched in horror (and mild interest) as Nick and Vicky engaged in yet another round of Public Grundle Play.

Public Grundle Play by Cleats January 21, 2008

pubic play 

Pubic play is the name of the sexual act characterized by the act of both (or whichever number of people in the intercouse greater than 1) participants rubbing their pubic areas on one another.

"Pubic play was so intense yesterday it started a rugfire"

pubic play by Raul Genderic May 6, 2014