On the HBO series The Wire, they sell a drug called WMD. What is it?

Question

On the HBO series The Wire, they sell a drug called WMD. What is it?

Answer 1

I believe it was their name for the type of heroine they were selling.

Answer 2

iv never seen the show but il take a stab at it.

  Weed of Mass Desrtuction?

Answer 3

I've watched for several years. The dealers use different names for each product for merchandising purposes, like car models Falcon, Barracuda, Mustang, Malibu.

WMD is just a timely term.