| Abbreviation | Definition |
|---|---|
| SO | Someone |
| SO | Son Of |
| SO | Sort Of |
| SOAB | Son Of A B*tch |
| SOANK | So-Swanky |
| SOAP | Super Over-rated Action Pig |
| SOAP | Surely Only A Prank? |
| SOB | Saecula Omnimodus Bellum |
| SOB | Slide Over, Baby |
| SOB | Son Of a B*tch |
| SOB | Son Of B*tch |
| SOB | Straight On Bushing |
| SOBER | Son Of a B*tch Everythings Real |
| SOBO | Send On Behalf Of |
| SOC | SleepOver Club |
| SODDI | Some Other Dude Did It |
| SOF | Sea Of Flames |
| SOG | Son Of a Gun |
| SOG | Survivors Of Girls |
| SOH | Sense Of Humor |