Definition of "jacks-in-the-box" []

• Plural form of jack-in-the-box. (noun)

Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License

• "As Mark Occhilupo, Josh Constable and others skimmed effortlessly over water, popped up as swiftly as jacks-in-the-box and maneuvered along waves as if taking a morning stroll, I thought, this looks easy."
• "Hardly were the travelers clothed and armed when the reeds parted with a rattling noise, and three nude Indians, sepia-colored and crowned with tufts of hair like horses 'tails, leaped out like jacks-in-the-box."
• "Even Murchison, however, made some recession from the belief of the Continental authorities, Élie de Beaumont and Leo - pold von Buch, who contended that the mountains had sprung up like veritable jacks-in-the-box."