| Abbreviation | Definition |
|---|---|
| HBD | Had Bad Day |
| HBD | Happy BirthDay |
| HBH | Have Big Hips |
| HBM | How Bout Me |
| HBOH | He Brought it On Himself |
| HBS | Hot B*tch Syndrome |
| HBT | Home Base Time |
| HBTD | Home Before The Dark |
| HBU | How About You .... |
| HC | Help Chat |
| HC | Holy Crap! |
| HCI | How Can I |
| HCIH | How Can I help |
| HCNY | Happy Chinese New Year |
| HCU | Hawaii Chat Universe |
| HCY | How Could You? |
| HCYEAT | How Can You Eat All That? |
| HD | Hopelessly Deaf |
| HD | Horrible and Detrimental |
| HD | Horse Dung |