its funny but this wouldnt be the first time its come up. I had the same problem when I first moved to seattle. yea seattle were weed is everywhere. If you arent in school or working a blue collar job its hard to hook up. Not everybody is the outgoing put quarters on the table guy. And you are sure to get kicked in the balls offering cash to teenagers outside a gas station. In a small town it can be worse because if you ask the wrong person it gets around.
I'd almost say taking a couple night classes at the local CC annex would get you close to stoners without being creepy. Maybe take a class on botany or law. neither of which would hurt anyway. And when you find the hookup quit the dumbass class which only cost you $80 anyway.