| Abbreviation | Definition |
|---|---|
| HDC | Hackers Dot Com |
| HDKW | How'you Doing? Keep Well! |
| HDTC | Hope Can Play |
| HDYK | How Do You Know |
| HE | Happy Ending |
| HELP | Hello Everyone, Lets Party! |
| HEXI | Six (a six pack of anything) |
| HF | Habba Forum |
| HF | Have Fun |
| HF | Heaven Forbid |
| HFB | Hugs From Behind |
| HFC | Heading For Castration |
| HFC | Hot French Chick |
| HFH | Heart For Heart |
| HFT | Have Fun Today |
| HFY | Happy For You |
| HG | Hey Guys |
| HGA | His Glory Alone |
| HGA | Hot Guy Alert |
| HGAC | Haven't Got A Clue |