| Abbreviation | Definition |
|---|---|
| RX | Red X |
| RYN | Really Young Napkins |
| RZA | Ruler Zig-zag Allah |
| RZA | Ruler Zigzagzig Allah |
| S | Silly |
| S | Spensive |
| S | Sucksteevee |
| SA | Shuli's Anime |
| SA | Sock Abuse |
| SA | Super Amazoid |
| SAA | Sims Addicts Anonymous |
| SAAB | Sad Attempt At Beauty |
| SAAB | Send Another Automobile Back |
| SAAB | Something Almost Always Broke |
| SAAB | Sorry Auto, Always Broken |
| SAAB | Swedish Automobiles Always Breakdown |
| SAAB | Swedish Automobiles Are Beastly |
| SAAC | Some Anteaters Are Cool |
| SAB | Small Animal Boy |
| SABENA | Sod All Baggage Every Night Away |