I always assumed the Dexies dose was dextromethorphan (DXM), but maybe I'm wrong.

http://en.wikipedia.org/wiki/Dimethyltryptamine I've heard people talk about it (never been able to get my hands on some myself), and I guess it's the most intense hallucinogenic experience you can have. If you smoke it, it takes effect almost instantly, and it only lasts for about five or ten minu...

I don't know if this would be possible, but I think a Dimethyltryptamine (DMT) dose would be pretty amazing.