Original sentence: "Wigger" is a portmanteau of "white" and "nigger".Wigger  (North America) A white person who was raised in an upper class, often suburban neighborhood and poses as an urban black person
Edited sentence: "Wigger" is derived from "white" and "nigger".Wigger  (North America) A ignorant, uneducated white person who was raised in an upper class, often suburban neigborhood and poses as an urban black person