| Abbreviation | Definition |
|---|---|
| IDI | Im Dying Inside |
| IDK | I Don't Know |
| IDKA | I Don't Know Anymore |
| IDKW | I Don't Know Why |
| IDM | It Doesn't Matter |
| IDMA | It Doesn't Mean Anything |
| IDRK | I Don't Really Know |
| IDT | I Don't Think |
| IDU | I Don't Understand |
| IDX | Index |
| IFO | In Front Of .... |
| IGBN | I Got Bad News |
| IGHT | Alright |
| IGS | I Guess So |
| IGTG | I Got To Go |
| IGYB | Ive Got Your Back! |
| IGYT | I Got You Too |
| IGYT | I Got YouTube |
| IH8Y | It means I Hate You |
| IHD | I Have Diarrhea |