Waterpolo sex
A competitive sport played in water between two teams of one player each. The game consists of four quarters in which the teams attempt to score goals by having sex the opposing team's goal. The team with the most goals at the end of the game wins the match.
Maeve: “So what’d you and Rohan do today?”
Emily: “Well Rohan had practice in the pool, so we just did waterpolo sex.”
Emily: “Well Rohan had practice in the pool, so we just did waterpolo sex.”