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
Understanding the varieties of conversational styles can mean the difference between feeling you’re understood and being insulted. “High-involvement” speakers interrupt or talk along with someone else to signal their enthusiasm...
One of the most powerful words you’ll ever hear — and one of the most poignant — isn’t in dictionaries yet. But it probably will be one day. The word is endling, and it means “the last surviving member of a species.” The...
“Vuzvuz” seems like an equivalent for “chakch-chakchim” – used as a derrogatory term for Mizrahim.
Remember Dudu Topaz in 1981?