| Abbreviation | Definition |
|---|---|
| NRT | National Retard Test |
| NS | Nasty Sh*t |
| NSA | Naughty Secret Agents |
| NSA | Negative Security Assurance |
| NSA | Never Say Anything |
| NSA | New Sith Ascendency |
| NSA | No Straight Answers |
| NSA | No Strings Attached |
| NSA | No Such Agency |
| NSA | Nukes Sail Away |
| NSAD | Nonstop All Day |
| NSB | No Silly Boys |
| NSE | Nissan Stanza Enthusiasts |
| NSF | Not So Fast |
| NSFW | No Seats For Whites |
| NSFW | Not Suitable For Windows |
| NSH | Nice Single Histologist |
| NSR | National Slug Rejectors |
| NSR | Normal Service Ruined |
| NSTG | No stranger to Greggs ---- fat |