A game involving the classic Easter candy, Marshmallow Peeps. Each Peep has a toothpick sticking out of the front of it, like a lance. Two Peeps, so armed, are placed in a microwave facing each other. As they are heated, they expand, until one Peep's toothpick makes contact with the other, causing the unfortunate bugger to pop.
When you are making coffee in a coffee maker and you lift the pot out carefully as you tilt your own cup into the stream of coffee. Taken from the opening scene of "Raiders of the Lost Ark" (1981) when Harrison Ford's character fills a bag with sand to steal a booby-trapped idol.
When two people take a mattress off a bed(usually in a dorm hallway),hold it in front of them holding it by the sides or the back and get a big distance between them. Then, they run and charge into each other and whoever stays standing is the winner.A commonly known late-night college activity.