| Abbreviation | Definition |
|---|---|
| SMYLC | Still Missing You Like Crazy |
| SMYSM | Still Missing You So Much |
| SN | Screen Name |
| SN | Senior Net |
| SNAG | Sensitive New Age Guy |
| SNATCHED | Really skinny (not an acronym) |
| SNC | Should Not Change |
| SNFU | Society No F***ng Use |
| SNH | Sarcasm Noted Here |
| SNL | Show No Love |
| SNM | Say No More |
| SNOW | Stuff No One Wants |
| Snr | Snaps and recents |
| SNR | Streaks N' Recents |
| SNS | Sorry Not Sorry |
| SNUH | Silly Newsgroup Utter Hysteria |
| SNY | Still Need You |
| SO | Shout Out |
| SO | Show Off |
| SO | Significant Other |