| Abbreviation | Definition |
|---|---|
| PSU | Pathetic Socialist University |
| PSU | Penn Skate University |
| PSU | Penn Spam University |
| PSU | Pennsylvania Second-rate University |
| PSU | Pennsylvania Snowflake University |
| PSU | Pennsylvania Soviet University |
| PSU | Pizza Supply Underwriters |
| PSU | Poorland State University |
| PSU | Pork Sausage University |
| PSU | Portland Socialist University |
| PT | Piece of Trash |
| PT | Poogy Tales |
| PT | Public Toliet |
| PTA | Papyrus Trans Am |
| PTA | Parents Talking Alot |
| PTA | Partly Trained Apes |
| PTA | Pretty Tired Already |
| PTG | Party Time Guys |
| PTG | Poke The Gugu |
| PTM | Powdered Toast Man |