H - Heroin
H & C - Heroin and cocaine
H - bomb - Ecstasy (MDMA) mixed with heroin
H Caps - Heroin
Hache - Heroin
Hail - Crack Cocaine
Haircut - Marijuana
Hairy - Heroin
Half - 1/2 ounce
Half a football field - 50 rocks of crack
Half G - $500
Half load - 15 bags (decks) of heroin
Half moon - Peyote
Half piece - 1/2 ounce of heroin or cocaine
Half track - Crack Cocaine
Half-a-C - $50 bill
Hamburger helper - Crack Cocaine
Hammerheading - MDMA (methylenedioxymethamphetamine) used in combination with Viagra
Hand-to-hand - Direct delivery and payment
Hand-to-hand man - Transient dealers who carry small amounts of crack
Hanhich - Marijuana
Hanyak - Smokable methamphetamine
Happy cigarette - Marijuana cigarette
Happy drug - Methylenedioxymethamphetamine (MDMA)
Happy dust - Cocaine
Happy pill - Methylenedioxymethamphetamine (MDMA)
Happy powder - Cocaine
Happy Sticks - PCP
Happy trails - Cocaine
Hard ball - Crack Cocaine
Hard candy - Heroin
Hard line - Crack Cocaine
Hard rock - Crack Cocaine
Hard stuff - Heroin; opium
Hardware - Isobutyl nitrite; inhalants
Harry - Heroin
Harsh - Marijuana
Has Marijuana Hats - LSD
Have a dust - Cocaine
Haven dust - Cocaine
Hawaiian - Very high potency marijuana
Hawaiian Black - Marijuana
Hawaiian homegrown hay - Marijuana
Hawaiian sunshine - LSD
Hawk - LSD
Hay - Marijuana
Hay butt - Marijuana cigarette
Hayron - Heroin
Haze - LSD
Hazel - Heroin
HCP - PCP
He-man - Fentanyl
Head drugs - Amphetamine
Head light - LSD
Head shop - Store specializing in the sale of drug paraphernalia
Heart-on - Inhalants
Hearts - Amphetamine
Heat - The police or narcotics officers
Heaven - Cocaine; heroin
Heaven & Hell - PCP
Heaven dust - Cocaine; heroin
Heavenly blue - LSD
Heeled - Having plenty of money
Helen - Heroin
Hell - Crack Cocaine
Hell dust - Heroin
Henpecking - Searching on hands and knees for crack
Henry - Heroin
Henry VIII - Cocaine
Her - Cocaine
Hera - Heroin
Herb - Marijuana
Herb and Al - Marijuana and alcohol
Herba - Marijuana
Herbal bliss - Methylenedioxymethamphetamine (MDMA)
Herms - PCP
Hero - Heroin
Hero of the underworld - Heroin
Heroina (Spanish) - Heroin
Herone - Heroin
Hessle - Heroin
Highball - Inhalants
Highbeams - The wide eyes of a person on crack
Hikori - Peyote
Hikuli - Peyote
Hillbilly heroin - OxyContin
Him - Heroin
Hinkley - PCP
Hippie crack - Inhalants
Hippieflip - Use of mushrooms and MDMA (methylenedioxymethamphetamine)
Hironpon - Smokable methamphetamine
Hiropon - Smokable methamphetamine
Hit - To smoke marijuana; marijuana cigarette; Crack Cocaine
Hit house - House where users go to shoot up and leave the owner drugs as payment
Hit the hay - To smoke marijuana
Hit the main line - To inject a drug
Hit the needle - To inject a drug
Hit the pit - To inject a drug
Hitch up the reindeers - To inhale cocaine
Hitter - Little pipe designed for only one hit
Hitting up - To inject a drug
Hocus Marijuana; opium
Hog - PCP
Holding - Possessing drugs
Hombre (Spanish) - Heroin
Hombrecitos (Spanish) - Psilocybin
Homegrown - Marijuana
Homicide - Heroin cut with scopolamine or strychnine
Honey - Currency
Honey blunts - Marijuana cigars sealed with honey
Honey oil - Ketamine; inhalants
Honeymoon - Early stages of drug use before addiction or dependency develops
Hong-yen - Heroin in pill form
Hooch - Marijuana
Hooked - Addicted
Hooter - Cocaine; marijuana
Hop/hops - Opium
Hopped up - Under the influence of drugs
Horn - To inhale cocaine; Crack pipe; to inhale a drug
Horning - To inhale cocaine; heroin
Horse - Heroin
Horse heads - Amphetamine
Horse tracks - PCP
Horse tranquilizer - PCP
Horsebite - Heroin
Hospital heroin - Diluadid
Hot dope - Heroin
Hot heroin - Heroin poisoned to give to a police informant
Hot Ice - Smokable methamphetamine
Hot load/hot shot - Lethal injection of a narcotic
Hot rolling - Liquefying methamphetamine in an eye dropper and then inhaling it
Hot stick - Marijuana cigarette
Hotcakes - Crack Cocaine
House fee - Money paid to enter a crackhouse
House piece - Crack given to the owner of a crackhouse or apartment where crack users congregate
How do you like me now? - Crack Cocaine
Hows - Morphine
HRN - Heroin
Hubba - Crack Cocaine
Hubba pigeon - Crack users looking for rocks on the floor after a police raid
Hubba, I am back - Crack Cocaine
Hubbas - Crack
Hubbas - (Northern CA) Crack; I am back
Huff - Inhalants
Huffer - Inhalant abuser
Huffing - To sniff an inhalant
Hug drug - Methylenedioxymethamphetamine (MDMA)
Hulling - Using others to get drugs
Hunter - Cocaine
Hustle - Attempt to obtain drug customers
Hyatari - Peyote
Hydro - Amphetamine; marijuana; methylenedioxymethamphetamine (MDMA); marijuana grown in water (hydroponic)
Hype - Heroin addict; an addict
Hype stick - Hypodermic needle