| Abbreviation | Definition |
|---|---|
| HAPPY | Having A Pretty Painful Year |
| HAQ | Have Any Questions? |
| HARU | How Are you? |
| HASF | Have A Safe Flight |
| HAT | Here And There |
| HAT | How About That |
| HATE | Habitually Accelerating Terror Everywhere |
| HATE | Half A** Template Engineering |
| HAVGS | Have A Very Great Summer |
| HAWD | Have A Wonderful Day |
| HAY | How About You |
| HAY | How Are You |
| HAY | How Are You? |
| HAYD | How Are You Doing? |
| HAYT | How Are You Today |
| HB | Handsome Boy |
| HB | Hard Bi*** |
| HB | How Boring |
| HB | Hurry Back |
| HB2U | Happy Birthday To You |