When 3 or more men all ride each other in a large orgy. Normally takes place in some type of wheeled vehicle.
Girl One: How is your day?
Girl Two: Awful! My boyfriend broke up with me and joined a group of guys who like “Riding the Shoppingcart.”
Girl Two: Awful! My boyfriend broke up with me and joined a group of guys who like “Riding the Shoppingcart.”
by Chubby_Faggot123 July 4, 2018