ginzo

[gin-zoh]
noun, plural gin·zoes. Slang: Extremely Disparaging and Offensive.
  1. a contemptuous term used to refer to a person of Italian origin or descent.

Origin of ginzo

1930–35; origin uncertain; compare guinea in this sense
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018