Gravy-Boating 

Intentionally passing fecal matter in a shared bath or swimming pool.

Gravy-boating is becoming a popular past-time at the local swimming pool, it has had to close 3 weeks in a row.

Gravy-Boating by Disconazi March 16, 2015

Gravy-boating 

The act of putting a Yorkshire pudding over a person's face and pouring gravy over it. Northern English equivalent to water-boarding.

Shortly after the gravy-boating he divulged every detail.

Gravy-boating by _Realdefinitions_ July 24, 2020