v.1. To jump or burst out of something: I wound the jack-in-the-box until the puppet popped out.
2. To appear suddenly from within or behind something: Suddenly, a bear popped out from the bushes.
3. To cause something to be removed or released, especially with a small, quick push: The kids accidentally popped out the bottom pane of the window. The memory chip in my computer was broken, so I popped it out and installed a new one.
4. To leave briefly: He'll be back in a minute—he just popped out to get some coffee.