chicago line
A Chicago line is where a group (5people +) sit in a circle and pass 2-4 blunts. It's something commonly done at parties, and can get you really high.
Person1: Yo, did ou get high in that Chicago line last night ?
Person2: Yeah, all 6 of us did. It was pretty dank.
Person2: Yeah, all 6 of us did. It was pretty dank.