| Abbreviation | Definition |
|---|---|
| IMF | I Am Failed |
| IMH | I Miss Him |
| IMHO | I Make Hot Odors |
| IMHO | In My Humble Opinion |
| IMI | I Mean It |
| IMMD | It Made My Day |
| IMNSHO | In My Not So Humble Opinion |
| imo | in my opinion |
| IMPT | IMPortanT |
| IMS | I Must See |
| IMU | I Miss You |
| IMVU | Instant Messenger of Virtual You |
| IMY | I Miss You |
| IMYA | I Miss You Already |
| IMYT | I Miss You Too |
| Inb4 | In Before |
| INRE | IN REgards to .... |
| INREF | IN REFerence to .... |
| INS | I'm Not Sure |
| INSTA |