I think they used to sell that at the Smoke Shop here a few years ago. I remember a lot people talking about. I only tried it once. I had some people I didn't know very well in the back, a dude and his girlfriend, and they smoked a joint of it with me. I don't remember much about it other than maybe it was something like weed. I do remember I made a left turn on red, so I guess I was a little buzzed.
I've really only ever smoked weed, and never bothered much with anything else.