K - PCP
K-blast - PCP
K-hole - Periods of ketamine-induced confusion; the depressant high associated with ketamine
Kabak - Marijuana; Turkish marijuana
Kabayo - Heroin
Kabuki - Crack pipe made from a plastic rum bottle and a rubber sparkplug cover
Kaff - Very potent marijuana from Morocco, Lebanon and other Arab/Middle Eastern countries
Kaksonjae - Smokable methamphetamine
Kalakit - Marijuana
Kali - Marijuana
Kangaroo - Crack
Kansas Grass - Marijuana
Kaps - PCP
Karachi - Heroin, phenobarbital, and methaqualone
Karo - Codeine cough syrup
Kate bush - Marijuana
Kaya - Marijuana
Kee - Marijuana
Kentucky blue - Marijuana
Kester plant - Drugs hidden in the rectum
Ket - Ketamine
Key - Marijuana
KGB (killer green bud) - Marijuana
Khat - Amphetamine; methcathinone; methylenedioxymethamphetamine (MDMA)
Khayf - Very potent marijuana from Morocco, Lebanon and other Arab/Middle Eastern countries
Ki - Marijuana
Kibbles & Bits - Small crumbs of crack
Kick - Inhalants; getting off a drug habit
Kick stick - Marijuana cigarette
Kiddie dope - Prescription drugs
Kief - Very potent marijuana from Morocco, Lebanon and other Arab/Middle Eastern countries
Kiff - Marijuana cigarette; very potent marijuana from Morocco, Lebanon and other Arab/Middle Eastern countries
Killer - Marijuana; PCP
Killer green bud - Marijuana
Killer joints - PCP
Killer weed (1980's) - Marijuana and PCP
Kilo - 2.2 pounds
Kilter - Marijuana
Kind - Marijuana
King - Cocaine
King bud - Marijuana
King ivory - Fentanyl
King Kong pills - Depressants
King's habit - Cocaine
Kissing - The exchange of plastic wrapped rocks (crack) by kissing or through mouth to mouth transfer
Kit - Equipment used to inject drugs
Kit kat - Ketamine
Kitty flipping - Use of ketamine and MDMA
KJ - PCP
Kleenex - Methylenedioxymethamphetamine (MDMA)
Klingons - Crack addicts
Kokomo - Crack Cocaine
Kools - PCP
Kryptonite - Crack Cocaine
Krystal - PCP
Krystal joint - PCP
Kumba - Marijuana
KW - PCP