Definitions
1.VerbTo leave a room or building with the expectation of returning soon.
2.VerbTo appear on the screen as a temporary window or menu.
3.VerbTo be retired after three strikes, including a popout (pop fly) on the third strike.
4.VerbTo give birth."So you think I should just stay home and pop out kids for the next twenty years?"
5.VerbUsed other than figuratively or idiomatically: see pop, out.
6.VerbTo suddenly come out of its normal position, as in a dislocation or subluxation."He popped out his shoulder during the fight."