vuzvuz n. a derogatory name for an Ashkenazic Jew. Also adj.; vusvus. Editorial Note: This term is usually used within the religion, especially by Sephardic Jews. The etymological information in the 1998 and 2005 citations is unverified. (source: Double-Tongued Dictionary)
Further reading
A law enforcement officer says he and his colleagues are curious about how the word pig came to be used as a derogatory term for police. This use has a long history that goes back more than two centuries. This is part of a complete episode...
An ex-Marine reports that his commanding officer used to castigate his men for any stray threads hanging from their uniforms, calling those loose threads Irish pennants. That term is an ethnophaulism, or ethnic slur. Other examples of ethnopaulisms...
“Vuzvuz” seems like an equivalent for “chakch-chakchim” – used as a derrogatory term for Mizrahim.
Remember Dudu Topaz in 1981?