| Abbreviation | Definition |
|---|---|
| PLB | Petz Love Babyz |
| PLC | Platinum Ladeez Clique |
| PLEASE | Provide Legal Exculpation And Sign Everything |
| PLF | Penguin Liberation Front |
| PLO | Palestinians Loving Others |
| PLO | Peace Loving Optimists |
| PLO | Plus Libyan Orders |
| PLO | Pretty Long Opinions |
| PLOKTA | Press Lots Of Keys To Abort |
| PLP | Past Lady President |
| PLS | Plant Lover Sam |
| PLU | Proud Libras United |
| PLUR | Plur Lurp Urpl Rplu |
| PLYMOUTH | Please Leave Your Monster Out Under The House |
| PLYMOUTH | Please Let Your Mother Out from Under The Hood |
| PM | Party Mode |
| PM | Perl Monger |
| PM | Project Mayhem |
| PMA | Pack Of Monster Assassins |
| PMC | Parrot Magic Cookie |