1. a printed or cut-out figure or object that springs out from a page or surface when opened or activated
Usage: common in children's books and greeting cards
2. in baseball, an out made when a batter hits a high fly ball that is caught
Usage: sports

1. designed to spring out or emerge suddenly from a surface or container
Usage: attributive use

Examples

• The children's book featured colorful popout characters on every page.
• She opened the greeting card and a popout butterfly flew out.
• The batter hit a popout to the shortstop in the third inning.
• The popout toaster springs up when the bread is done.
• He collected vintage popout books from the 1970s.
• The popout menu appeared when she clicked the button on the website.