Milk Smashing

Local Supermarkets Crying Over Smashed Milk
Local Supermarkets Crying Over Smashed Milk
Local Supermarkets Crying Over Smashed Milk
The latest on online prank dejour perpetuated by people with way too much time on their hands is called "milk smashing".  It involves young people strolling down a supermarket aisle carrying a gallon of milk in each hand, then suddenly flinging the containers into the air and letting them crash and spill on the floor.