Internet Slang start's with H

H Hug

H&K Hugs and Kisses

H/O Hold On

H/U Hook Up, make out

H1N1 Swine flu virus

H2CUS Hope To See You Soon

H2G Had to Go
Honest To God

H2IK Hell If I Know

H2O Water

H3 Halo 3 (Game)

H4X Hacks, cheats

H4X0R Hacker

H8 Hate

H8R Hater

H9 Really hate (H8+1)

HABIBI My darling (Arabic)

HACK Break into computer systems or software

HAFL Heart Attack From Laughing

HAFTA Have To

HAG Unattractive old woman

HAGD Have A Good Day

HAGE Have A Good Evening

HAGL Have A Good Life

HAGN Have A Good Night

HAGO Have A Good One

HAGS Have a great summer

HAGT Have A Great Time

HAI Hey, hi
Yes (Japanese)

HAISTK How Am I Supposed To Know?

HAIZ Sigh

HAK Hugs And Kisses

HAKAS Have A Kick @$$ Summer

HAM Crazy

HAMMER Penis

HAN Alone (Han Solo)

HAND Have A Nice Day

HANG Hang out, spend time with

HANG UP Inhibition, emotional difficulty

HAPA Mixed race

HARD Tough
Erection

HAT Condom

HATERZ Enemies

HAWK Knife

HAWT Hot
Having A Wonderful Time

HAWTSOME Hot and awesome

HAX Hacking, Hackers, hacks

HAXOR Hacker

HAXX0R Hacker

HAXXOR Hacker

HAY How Are You

HAYD How Are You Doing?

HB Hug Back

HB Hurry Back

HBD Happy Birthday

HBIC Head Bitch In Charge

HBN How About Now

HBO Home Box Office

HBP Half-Blood Prince (Harry Potter)

HBTU Happy Birthday To You

HBTY Happy Birthday to You

HBU How About You?

HBY How 'Bout You

HC Holy Cow

HCDAJFU He Could Do A Job For Us

HCIT How Cool Is That?

HCO Hollister

HD  High-Definition

HDCP High-bandwidth Digital Content Protection

HDD Hard Disk Drive

HDL Hab Dich Lieb (I love you in German)

HDMI High Definition Multimedia Interface

HDU How Dare You

HDY How Dare You

HE Happy Ending
High Explosives

HEA Happily Ever After

HEAD Blow job

HEAVY Awesome, good
Serious, intense

HECK Mild expletive

HEH Cynical laugh

HELLA Really, very

HELM Helmet, bellend

HERB Stupid person

HET Heterosexual

HETERO Heterosexual, straight

HEY Hello, hi

HEYY Hey You

HF Have Fun

HFS Holy F***ing S**t

HG Holy Grail

HGB Hellogoodbye (band)

HH Ha-Ha

HH Holding Hands

HHOJ Ha Ha, Only Joking

HHOK Ha Ha, Only Kidding

HHVF Ha-ha, Very Funny

HHWW Holding Hands While Walking

HI Hello

HI5 Social networking site

HICKEY Love bite

HIMYM How I Met Your Mother (TV show)

HINKEY Strange, unusual

HIP Cool, stylish, contemporary

HIT Have sex
Smoke (marijuana)

HIT ME UP Call me later

HIT YOU UP Call you later

HIV Human Immunodeficiency Virus

HIWTH Hate It When That Happens

HIYA Hello

HJ Hand Job

HK Hong Kong
Hostile Kids

HKS Hot Kinky Sex

HL Half Life (game)

HLAS Hook, Line And Sinker

HM Thinking

HMB Hit Me Back (reply)

HMFIC Head Mother F***er In Charge

HMIHY How May I Help You?

HML Hate My Life

HMP Help Me, Please

HMPF Sound made when irritated

HMS Her Majesty's Ship (UK)

HMTRUD how many thing r u doing?

HMU Hit Me Up

HMUL Hit Me Up Later

HMWK Homework

HNK Hugs and Kisses

HNOS Home Network Operating System

HNR Hit 'N' Run

HNY Happy New Year

HO Hold On
Head Office

HOAS Hold On A Second

HOB KNOCKER Someone who masturbates in public

HOBO Itinerant worker

HOE Whore, slut

HOG Harley Owner Group

HOH Head Over Heels
Hard Of Hearing

HOLD Borrow (money)

HOLD UP Wait a minute

HOLLA Used by a man to express interest in a woman

HOLLAND Hope Our Love Lasts And Never Dies

HOLLER Shout

HOLS Holidays, vacation

HOMES Homeboy

HOMEY Homeboy

HOMIE Homeboy

HOMO  Homosexual (insult)

HON Honey

HONKIE White person

HOOAH HUA

HOOD Neighborhood, ghetto

HOOK UP Have sex

HOOROO Goodbye

HOP Heroin

HOP OFF Leave me alone

HORNY Turned on

HOS Husband Over Shoulder

HOT Healing Over Time

HOTTIE Attractive person

HOVA Jehovah, God

HOWDY How Do You Do?

HP Harry Potter

HPV Human Papillomavirus (sexually transmitted disease)

HQ High Quality

HQF LOL

HR Human Resources

HRU How Are You?

HS Headshot

HSIK How Should I Know?

HSIT How Sad Is That

HSM High School Musical

HSMF Holy S**t Mother F***er

HSP Highly Sensitive Person

HSV Herpes Simplex Virus

HT Hat Tip (Thanks)
Home Time
Handheld Transceiver

HTB Hate The Bitch!

HTC Hit The Cell

HTF How The F***?
Hard To Find

HTFU Hurry The F*** Up

HTH Hope That Helps
How The Hell

HTHFYS Hope To Hear From You Soon

HTM Hand To Mouth

HTML Hypertext Markup Language

HTSYS Hope To See You Soon

HTTP Hyper-Text Transfer Protocol

HTTPS Hyper-Text Transfer Protocol Secure

HU Hollywood Undead (Band)

HUA Heard Understood Acknowledged

HUBBY Husband

HUD Heads-Up Display

HUFF Low grade weed

HUH Confused sound

HUMP Have sex with

HUN Honey

HUNDO Hundred (dollars)

HUNNED  Hundred (dollars)

HUR Here
Hair

HUSPAZ Hurray (texting)

HW Homework

HWB Hottie With Body

HWDP Huj W Dupe Policji (Polish - F*** the police)

HWGA Here We Go Again

HWK Homework

HWP Height Weight Proportional

HWSNBN He Who Shall Not Be Named

HWU Hey, What's Up?

HWYD How Was Your Day?

HXC Hardcore (music)

HXE Hardcore

HY Hell Yes
Hi

HYB How You Been?

HYFB Hope You Feel Better

HYH Have You Heard
Hold Your Horses

HYIP High Yield Investment Program

HYNA Good looking girl (Hispanic)

HYP Harvard, Yale, Princeton

HYPER Over energetic

HYPH Hyperactive, crazy

HYPO Hypodermic needle/syringe

HYS Have Your Say