drugsmith 

One who crafts synthetic drugs or breeds grown drugs. Such as a blacksmith works to create armor and weapons, a drugsmith works to create drugs. A drugsmith can refer to one who works professionally to create prescription as well as over-the-counter drugs, or it can refer to one who creates recreational drugs.

Albert Hoffman was a drugsmith famous for his creation of the recreational drug, lysergic acid diethylamide, or "LSD."

drugsmith by Dr. Anik and Al O. Tim December 16, 2011

Drugstitution 

The act of substituting an illegal drug for a legal/ more acceptable drug. Particularly during a time of transition that is otherwise life altering.

1. The office worker has a drug test in 3 months, so, he's doing a drugstitution from weed to beer.

2. "Since my kid was born I did a drugstitution from heroin to oxies."

3. "My dealer was out of my favorite budz so I asked him for a drugstitution of his xanax stash."

Drugstitution by kaelstorm August 19, 2012