folderol UK /ˈfɒldəɹəl/US /ˈfɔldəɹɔl/ noun2 •Nonsense or foolishness.William Maclay, a Pennsylvania Democrat and a senator, was a watchdog against the development of any monarchial folderol gathering about the office of the president. — 1978 •A decorative object of little value; a trifle or gewgaw.He didn't share Miss Flora's penchant for collecting gaudy, useless knickknacks, and wouldn't have bought any of those foolish, foreign fandangles and folderols if he did have the money to waste. — 2000 formsfolderols