Y

Yaba

Methamphetamine

Yage

Ayahuasca

Yahoo/yeaho

Crack

Yale

Cocaine

Yay/Yayo

Cocaine

Yayoo

Crack

Yaxce'lil

Mayan name for Ipomoea violacea (Morning Glory) seeds

Yeah-O / Yee Yoo

Crack, possibly hispanic/puerto rican in origin?

Yeh

Cannabis

Yellow(s)

LSD; Nembutal (pentobarbitone) in a yellow capsule

Yellow Bam

Methamphetamine

Yellow Bullets

Nembutal (pentobarbitone) in a yellow capsule

Yellow Dimples

LSD

Yellow Dolls

Nembutal (pentobarbitone) in a yellow capsule

Yellow Fever

PCP

Yellow Jackets

Nembutal (pentobarbitone) in a yellow capsule

Yellow Submarine

Cannabis

Yellow Sunshine

LSD

Yen pop

Cannabis

Yen Shee Suey

Opium wine

Yen sleep

restless, drowsy state after LSD use

Yeo

Crack

Yerba

Cannabis (Spanish)

Yerba Mala

PCP and Cannabis (Spanish)

Yerba Maria

Salvia divinorum

Yesca

Cannabis

Yesco

Cannabis

Yeyo

Cocaine (Spanish)

Yimyom

Crack

Ying

Cannabis

Yolanda / Yola

Coccaine (used as if a person's name)

Yopo

Anadenanthera peregrina

Yuppie Flu

the ongoing effects of a Cocaine-snorting habit

 Z

Z

1 ounce of Heroin

Zacatecas purple

Cannabis (from Mexico)

Zacs

Fluoxetine (Prozac)

Zambi

Cannabis

Zani

Cannabis

Zanny

Se Xanny

Zay

a mixture of Cannabis and other substances within a cigar

Zen

LSD

Zero

Opium

Zig Zag man

LSD; Cannabis; Cannabis rolling papers

Zip

Cocaine (injected); Methamphetamine

Zips

1 oz of any type drug

Zloft

Sertraline (Zoloft)

Zoinked

intoxicated on drugs to the point of uselessness

Zol

Cannabis cigarette

Zombie

PCP; heavy user of drugs

Zombie weed

Cannabis laced with PCP

Zooie

tool for holding partially smoked Cannabis cigarette

Zoom

PCP; Cannabis laced with PCP; Cocaine / Heroin Amphetamine combo (snorted or injected)

Zoomers

Psilocybin Mushrooms (Newfoundland, Canada)

Zoomers

Sertraline (Zoloft); pills; Amphetamine; individuals who sell fake Crack and then flee

Zoot

PCP

Z's

Sertraline (Zoloft)

Zulu

Crack

 #

25

LSD

25i

25i-NBOMe (2C-I-NBOMe)

25b

25b-NBOMe (2C-B-NBOMe)

25c

25c-NBOMe (2C-C-NBOMe)

2-Sides

2C-I

2-Seas

2C-E

151

Rum

420

Cannabis

24-7

Crack

357 Magnum

Amphetamine

45 Minute Psychosis

DMT (di-methyl-tryptamine)

45 Minute Trip

DMT (di-methyl-tryptamine)

5-Meo

5-MeO-DMT