courtesy bowl
A bowl of marijuana packed and smoked with another as a form of thank you, or courtesy. Practiced amongst stoners who were brought up properly and thus have good manners.
Stoner 1: Thanks for the ride home man! Here I packed you a courtesy bowl, would you like to take the first hit?
Stoner 2: Why thank you I think I will!
Stoner 2: Why thank you I think I will!