| Abbreviation | Definition |
|---|---|
| SUGAR | Super Ultimate Goodies And Refreshments |
| SUI | Singer Under The Influence |
| SULMF | Shut Up and Let Me Fap |
| SUM | Self Updating Memory |
| SUMER | See Us Merrily Eat Radish |
| SUPERBOCK | Some Uneducated Person Entertaining Random Boys On Chocolate Kills |
| SUR | Skraps Usually Run |
| SUR | Southern United Raza |
| SURH | Sunburn Usually Really Hurt |
| SUS | Special Undead Services |
| SUTD | Stay Up Till Dawn |
| SUTO | Seemed Useless To Object |
| SUV | Safe Utility Vehicle |
| SUV | Satanic Urban Vehicle |
| SUV | Sausage Under Veils |
| SUV | Senseless Urban Vehicle |
| SUV | Senseless Urban Vulgarity |
| SUV | Seriously Useful Vehicle |
| SUV | Shameful Unregulated Vehicle |
| SUV | Sheep United For Victory |