| Abbreviation | Definition |
|---|---|
| PENIS | Preventing Events Naturually In Space |
| PENNIS | Post Extender Nature New Iron Sun |
| PENTIUM | Processor Errors Numbering Thousands In Users Machines |
| PEOPLE | People Eat Orthodox Plants Like Endive |
| PEP | Python Enhancement Proposal |
| PEPSI | Pay Each Penny Support Israel |
| PEPSI | Pay Every Pence to Save Israel |
| PEPSI | Pay Every Penny Save(or support) Israel |
| PEPSI | Pay Every Penny To Save Israel |
| PEPSI | Pay Every Penny to Support Israel |
| PER | Pretty Erroneous Ringtone |
| PERL | Pathologically Eclectic Rubbish Lister |
| PERLA | Pearl Eye Real Los Angeles |
| PES | PEZ Enjoyment Sensor |
| PET | Personal Electronic Thing |
| PETA | Pederasts Envision A Transgendered America |
| PETA | People Eat Turkey Alot |
| PETA | People Eating Timid Animals |
| PETA | People Embarassing the Tidewater Area |
| PETA | People Enjoying Tasty Animals |