niggerize

verb4

1. •
   (offensive) To subject to niggerization, (the act of dehumanizing black people, or other people in the manner of black people).

   • If you need to niggerize, go and get yourself a passel of spades. We ain't niggers. — 1973
2. •
   (offensive) To render someone or something to resemble the racist stereotype of a black person.

   • Instead their humor simply mocked situations without explaining them and the performers niggerized their material to please white audiences. — 1975
3. •
   (offensive) To subject or expose to black people or their influence.

   • Educated with Negroes, studying and living on a social equality with them; returning to his native State and seeking to niggerize the public schools; dismissed in disgrace — 1909
4. •
   (offensive, old-fashioned) To treat (wood) with paraffin or coke-oven coal tar in order to increase its acid resistance.

   • Niggerized wood is used almost interchangeably with paraffin-treated wood for acid tanks. — 1946