| Abbreviation | Definition |
|---|---|
| NIM | No Integrated Moves |
| NIM | Nothing In Message |
| NIMBI | Not In My Best Interests |
| NIMBY | Not In a Million Billion Years |
| NIMBY | Not In My Back Yard |
| NIMNBY | Not In My Back Yard |
| NIN | No, It's Not |
| NINI | NIghty Night |
| NIP | Not Intentionally Pointy |
| NIP | Nothing In Particular |
| NIR | Nirvana If Real |
| NIS | Nothing Incredibly Special |
| NIT | Now Is The Time |
| NITFM | Not In The F***ing Mood |
| NITL | Not In This Lifetime |
| NJB | Nice Jewish Boy |
| NJG | Nice Jewish Girl |
| NJOY | Enjoy |
| NJY | Not Just Yours |
| NK | No Kidding |