Instructions that store and retrieve an item on a stack. Push enters an item on the stack, and pop retrieves an item, moving the rest of the items in the stack up one level. See stack. THIS DEFINITION ...

An opened red Push Pop candy next to a branded cap - Maharani afifah/Shutterstock As children, many of us were told never to play with our food, which is why Push Pops were such a fun way to bend that ...