jazz hands noun[plural only]2 •A dance move in which the performer's hands are extended with palms toward the audience and fingers splayed. •A gesture in which the hands, which are extended with palms facing forwards and fingers splayed, are rotated quickly.“You shouldn't,” I said. Perhaps he might hire me for my refreshing honesty? I laughed faintly, then added, “Just kidding,” and gave him jazz hands. — 2013
