tizzy /ˈtɪzi/ noun2 •(informal) A state of nervous excitement, confusion, or distress; a dither.That Todd Evergreen. The reclusive, twenty-two-year-old, overnight billionaire whose very existence has put us all in a tizzy. — 2014 •(slang, no longer used) A sixpence; a tester.Down with the stumpy; a tizzy for a pot of half-and-half. — 1881 formstizzies