a short high sound made when a hard object hits something that is made of metal or glass The bell went ping and the doors opened. The old cash register opened with a ping. More Like This Onomatopoeic words beep, bleep, boohoo, brrr, buzz, click, clip-clop, ding-dong, hiss, mwah, peep, ping, plop, pop, rat-tat, splat, splosh, squeak, squeal, squelch, swish, tee-hee, thud, thwack, tick-tock, toot, vroom, wham, whoosh, zoomSee worksheet. Word Origin mid 19th cent.: imitative.