| | HH | | holding hands |
| | HH&BW | | happy holidays & best wishes |
| | HHD | | hand held device |
| | HHOJ | | Ha Ha Only Joking |
| | HHOJ | | Ha Ha, Only Joking |
| | HHOS | | Ha Ha Only Serious |
| | HHOS | | Ha Ha, Only Serious |
| | hhtyay | | happy holidays to you and yours |
| | hib | | have I been |
| | hica | | here it comes again |
| | HICO | | Human In Control |
| | HIG | | hows it going |
| | HIGNFY | | Have I got news for you |
| | HIH | | hope it helps |
| | HILIACACLO | | Help I Lapsed Into A Coma And Can't Log Off |
| | HIOOC | | Help! I'm Out of Coffee |
| | HISA | | High Interest Savings Account |
| | HIT | | hang in there |
| | HIT | | Human Interface Technology |
| | HITBP | | Honesty is the best policy |
| | HIV | | human immunodeficiency virus |
| | HIVI | | Husband Is Village Idiot |
| | HJ | | hand job |
| | HJK | | Hongkong-Japan-Korea |
| | HJTC | | Hand Job To Completion |
| | HLOL | | hysterically laughing out loud |
| | hltcr | | has left the chat room |
| | HMB | | hit me back |
| | HMB | | hold me back |
| | HMFIC | | Head Mother f**ker In Charge |
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