designer drug

"A drug with properties and effects similar to a known hallucinogen or narcotic but having a slightly altered chemical structure, especially such a drug created in order to evade restrictions against illegal substances."
(Answers.com)
A synthetic chemical (Often produced by a high-tech lab) the purpose of which is to produce a reliable state of intoxication (As opposed to plant-based inebrients, whos effects may vary greatly from one individual to another)

Ecstacy (MDMA), BZ (A "superhallucinogen" concocted by the CIA), CC3P, Methamphetamine, MPPP.

Designer Drugs

Pills such as ecstasy

I got some amazing Red Gucci designer drugs last night.

(Red Guccis=type of E)

Designer Drugs

Pharmaceuticals obtained by acting, and scene.

‘There’s not much redness in my throat, but I’ve had this cough that just won’t go away’ and that’s how I got a fridge full of designer drugs.