Flivver is a slang term that refers to a small, cheap, and usually old car. It has its origin in the early 1900s and became popular during the Great Depression. Synonyms for flivver include jalopy, clunker, hooptie, beater, rust bucket, heap, and wreck. These words all refer to an old and unreliable vehicle that may not be in good condition. Nowadays, these terms are often used in a nostalgic way to describe an old car that holds sentimental value or as a humorous way to refer to a beat-up car. Despite their negative connotations, these words are beloved by car enthusiasts and culture lovers alike.