slammer – n. a pog-sized plastic or metal disc that is used to flip over a pog in a game of Pogs
Pogs – n. a game played with a stack of pogs and an assortment of heavier discs called “slammers” made out of plastic or metal. The object of the game is to flip over as many pogs as you can. Whatever you flip over, is yours. Usually played between two players.