| Abbreviation | Definition |
|---|---|
| SOOT | Stay Out Of Trouble |
| SOP | Shared Open Posting |
| SOQ | Smile Out Quietly |
| SorG | Straight or Gay |
| SOS | Sibling Over Shoulder |
| SOS | Simple Operating System |
| SOS | Some One Special |
| SOSR | Some Other Substantial Reason |
| SOT | S*** On This |
| SOT | Scared Of That |
| SOT | Short Of Time |
| SOT | Slightly Off Topic |
| SOT | Somewhat Off Topic |
| SOTU | Shut Out The Undesirables |
| SOY | Salivating Over You |
| SOYBM | Shoot Off Your Big Mouth |
| SOYBM | Shoot Off Your Big Mouth |
| SOZ | Sorry |
| SOZ | Sorry :) |
| SP | Shiny Pants |