Green’s Dictionary of Slang

(US) a derog. term for a black person.

1992		Bentley & Corbett Prison Sl. 56: Yanta A black person.
1995		R. Ramos ‘An Ethnographic Study of Heroin Abuse by Mexican Americans in San Antonio, Texas’ on Texas Commission on Alcohol and Drug Abuse 🌐 ‘Appendix A: Gloss. of Tecato Argot’ Yanta – African American.