Lyric discussion by Megiddo 

Cover art for D.M.S.O. lyrics by Dead Kennedys

D.M.S.O is a solvent which penetrates the skin deeply and quickly. Usually, other chemicals are dissolved in it and when it penetrates the skin it carries those chemicals with it into the body. In this case, Jello is talking about using it to dissolve LSD and then swabbing the solution on police car handles as a prank.

DMSO is Dimethylsulfoxide. In the body, it acts similarly to water. In small doses, it can actualloy be consumed without any detrimental affects.

In the 80's it was believed that DMSO could be a potential cure for arthritis. It certainly did relieve the pain people were feeling, however it was never certified. This is the conspiracy Jello is singing about.

However, it was eventually discovered that DMSO wasn't really "curing" arthritis. It was simply killing all of the nerves around the treated area. That's why it was never approved for medical use. It is still used as...