U.S.P. Amphetamine; methylenedioxymethamphetamine (MDMA)
Ultimate Crack Cocaine
Ultimate Xphoria Methylenedioxymethamphetamine (MDMA)
Uncle Federal agents
Uncle Milty Depressants
Unkie Morphine
Unotque Marijuana
Up against the stem Addicted to smoking marijuana
Uppers Amphetamine
Uppies Amphetamine
Ups and downs Depressants
Uptown Powder cocaine
Utopiates Hallucinogens
Uzi Crack; crack pipe