D - LSD; PCP
Dabble - Use drugs occasionally
Dagga - Marijuana
Dama blanca (Spanish) - Cocaine
Dance fever - Fentanyl
Dank - Marijuana; the practice of lacing cigarettes with formaldehyde
Dawamesk - Marijuana
Dead on arrival - Heroin
Dead road - Methylenedioxymethamphetamine (MDMA)
Debs - Amphetamine; methylenedioxymethamphetamine (MDMA)
Deca-Duabolin - Injectable steroids
Decadence - Methylenedioxymethamphetamine (MDMA)
Deck - 1 to 15 grams of heroin, also known as a bag; packet of drugs
Deeda - LSD
Delatestryl - Injectable steroids
Demo - Crack stem; sample-size quantity of crack
Demolish - Crack
Dep-testosterone - Injectable steroids
Desocsins - Methamphetamine
Desogtion - Methamphetamine
DET - Dimethyltryptamine
Detroit pink - PCP
Deuce - Heroin; $2 worth of drugs
Devil drug - Crack Cocaine
Devil's dandruff - Crack Cocaine
Devil's dick - Crack pipe
Devil's dust - PCP
Devilsmoke - Crack Cocaine
Dew - Marijuana
Dews - $10 worth of drugs
Dex - Amphetamine; methylenedioxymethamphetamine (MDMA)
Dexedrine - Amphetamine; methylenedioxymethamphetamine (MDMA)
Dexies - Amphetamine
Diablito (Spanish) - Combination of crack cocaine and marijuana in a joint
Diambista - Marijuana
Diamonds - Amphetamines; methylenedioxymethamphetamine (MDMA)
Dianabol - Veterinary steroids; veterinary and oral
Dice - Crack Cocaine
Diesel - Heroin
Diet pills - Amphetamine
Dihydrolone - Injectable steroids
Dimba - Marijuana from West Africa
Dime - Crack Cocaine; $10 worth of crack
Dime bag - $10 worth of drugs
Dime special - Crack Cocaine
Dime's worth - Amount of heroin to cause death
Ding - Marijuana
Dinkie dow - Marijuana
Dinosaurs - Populations of heroin users in their forties and fifties
Dip - Crack Cocaine
Dipper - PCP
Dipping out - Crack runners taking a portion of crack from vials
Dirt - Heroin
Dirt grass - Inferior quality marijuana
Dirty basing - Crack Cocaine
Dirty joints - Combination of crack cocaine and marijuana
Disco biscuit - Depressants; methylenedioxymethamphetamine (MDMA)
Disco pellets - Stimulant
Discorama - Inhalants
Disease - Drug of choice
Ditch - Marijuana
Ditch weed - Inferior quality marijuana
Djamba - Marijuana
DMT - Dimethyltryptamine; PCP
Do a joint - Marijuana
Do a line - To inhale cocaine
Do it Jack - PCP
DOA - Crack; heroin; PCP
Doctor - Methylenedioxymethamphetamine (MDMA)
Dog - Good friend
Dog food - Heroin
Dogie - Heroin
Dollar - $100 worth of drugs
Dolls - Amphetamines; depressant; methylenedioxymethamphetamine (MDMA)
Domes - LSD
Domestic - Locally grown marijuana
Domex - PCP and MDMA
Dominoes - Amphetamine
Don jem - Marijuana
Don Juan - Marijuana
Dona Juana (Spanish) - Marijuana
Dona Juanita (Spanish) - Marijuana
Donk - Marijuana/PCP combination
Doob - Marijuana
Doobee - Marijuana
Doobie/dubbe/duby - Marijuana
Doogie/doojee/dugie - Heroin
Dooley - Heroin
Doosey - Heroin
Dope - Marijuana; heroin; any other drug
Dope fiend - A person who is drug dependent; crack adict
Dope smoke - To smoke marijuana
Dopium - Opium
Doradilla - Marijuana
Dors and 4's - Combination of Doriden and Tylenol 4
Doses - LSD
Dots - LSD
Doub - $20 rock of crack
Double breasted dealing - Dealing cocaine and heroin together
Double bubble - Cocaine
Double cross - Amphetamine
Double dome - LSD
Double rock - Crack diluted in procaine
Double trouble - Depressants
Double up - When a crack dealer delivers an extra rock as a marketing ploy to attract customers
Double ups - A $20 rock that can be broken into two $20 rocks
Double yoke - Crack Cocaine
Dove - $35 piece of crack
Dover's deck - Opium
Dover's powder - Opium
Down - Codeine cough syrup
Downer - Depressants
Downie - Depressants
Dr. Feelgood - Heroin
Draf - Marijuana; ecstasy, with cocaine
Draf weed - Marijuana
Drag weed - Marijuana
Dragon rock - Mixture of heroin and crack
Draw up - To inject a drug
Dream - Cocaine
Dream gun - Opium
Dream stick - Opium
Dreamer - Morphine
Dreams - Opium
Dreck - Heroin
Drink - PCP
Drivers - Amphetamine; methylenedioxymethamphetamine (MDMA)
Drop - To swallow drugs
Dropper - To inject a drug
Drowsy high - Depressants
Dry high - Marijuana
Dry up - To inject drugs
Dub - When a crack dealer delivers an extra rock as a marketing ploy to attract customers
Dube - Marijuana
Duby - Marijuana
Duct - Cocaine
Due - Residue of oils trapped in a pipe after smoking base
Duji - Heroin
Dummy dust - PCP
Dump - To vomit after taking drugs
Durabolin - Injectable steroids
Durong - Marijuana
Duros (Spanish) - Marijuana
Dust - Marijuana mixed with various chemicals; cocaine; heroin; PCP
Dust blunt - Marijuana/PCP combination
Dust joint- PCP
Dust of angels - PCP
Dusted parsley - PCP
Dusting - Adding PCP, heroin, or another drug to marijuana
Dymethzine - Injectable steroids
Dynamite - Cocaine mixed with heroin
Dyno - Heroin
Dyno-pure - Heroin