Wow, I've never heard of such a thing. I've seen a couple of threads which have taken me by surprise, the other being "would you play music on a golf course?" And I've got to say it's truly bazzar talk. You guys are playing on courses with rules, dress codes and etiquette as well?
I'm pretty liberal but the whole idea of smoking a joint on the golf course is about as foreign to me as flinging a bag of steaming poop at my playing partner.