| Term | Full Form | Category |
|---|---|---|
| PISS | Passive Ignorance Silence Strike | Others |
| PISS | Perkis Ingalls Sperry And Shiurba | Others |
| PISS | Person Into Salty Salmon | Others |
| PISS | Phoenix Ideologically Sound And Safe | Others |
| PISS | Phoenix Islands Settlement Scheme | Others |
| PISS | PIN (Personal Identification Number) Index Safety System | Others |
| PISS | Pin Index Safety System | Others |
| PISS | Polygraph International Security Systems | Others |
| PISS | Post Induction Stall Syndrome | Others |
| PISS | Prince Ickypoo Secret Service | Others |
| PISS | Puppets in Satan s | Others |