POP, noun A small smart quick sound or report.
POP, verb intransitive To enter or issue forth with a quick, sudden motion.
I startled at his popping upon me unexpectedly.
1. To dart; to start from place to place suddenly.
POP, verb transitive To thrust or push suddenly with a quick motion.
He popp'd a paper into his hand.
Did'st thou never pop
Thy head into a tinman's shop?
To pop off, to thrust away; to shift off.
POP, adverb Suddenly; with sudden entrance or appearance.