The act of two people "trading" a drug for a drug, i.e. the bong for the booze, whilst hanging out together.
In the parking lot of a rest stop where Cory and Sara planned to stay for the evening, Sara exhaled from the joint she was smoking and shifted her attention to Cory and his bottle of Fireball whisky; "hippie trade?" she asked.
by Bigmanwalking April 10, 2016