flivver UK /ˈflɪv.ə(ɹ)/US /ˈflɪv.ɚ/ noun3 •(informal, old-fashioned) An automobile or cart, particularly one which is old and inexpensive.Billy being too poor to own a car, had hired a cheap flivver for the day, and was purposely ten minutes behind the time, but to his disgust found the procession not yet started. — 1920 •(informal, old-fashioned) A Ford Model T. •(US, slang) A destroyer of the United States Navy with a displacement of less than 1,000 tons. formsflivvers