Well, what I don't recommend saying it "Hey! Know any places where I could score some... -raises voice a couple notches- DRUGS?"

Just try and be nonchalant. "Hey man. You smoke.. uhh.. how do I put this.. anything other then cigarettes?" "naw man" "Alright. Thanks anyway. -shrugs- Know where a guy who does could get anything?" That sorta thing. Don't be too blatant. Entrapment is a word of the past. Cops can practically say "Hey man, Im not a cop. Do you have any marijuana of which I may partake for smoking?" without it being entrapment. Bah.. pigs. I could go on forever. But I won't bore you. Canada is way lighter on marijuana then the US. So it might be hard to find a dealer. But once you do, you should be good. Try and see if a co-worker or fellow student can hook ya up. Maybe have a few drinks with someone at a local bar before asking. Lowering their inhibitions is always a good idea before asking about weed. ^.^