Common words or phrases of the stoner culture: 
Puff, puff pass.
Dude, it's a joint not a microphone.
If you don't cough, you don't get off.
*What phrases have you used or heard?
@Tacitus_Kilgore
To the tune of row your boat:
Roll roll roll a joint
Twist it at the end
Take a toke and hold the choke
Then pass it to a friend