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.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI