Meaning

noun (slang) offensive names for a White man

originSense of “factory hand” attested from 1946. Compare hunky, bohunk. Most likely from hunky (“Hungarian, Slav, eastern European; any white person”), an African-American vernacular shortening of Hungarian. Another possible etymon is Wolof xonq (“red, pink”), a term frequently used in African languages to describe white men. As a term of racial abuse it was popularized by the Black Panther Party…

Etymology from Wiktionary, CC BY-SA 3.0