To take a persons backpack and dumb everything out of it. When you finish dumping the persons books, you flip the bag inside out, and place the books back into the backpack. After you place the books back in the bag, you zip the backpack back up. The bag is suppose to look kind of like a cocoon.
Student 1: OMG! Wtf just happened to my bag?
Student 2: What are you talking about?
Student 1: My bag is inside out...
Student 2: Dude, you just got cooned