mandingo, n. — Green’s Dictionary of Slang

mandingo n.

[proper name Mandingo, a member of the peoples of the upper Niger in West Africa, whose ranks supplied many slaves; more immediately a ref. to the book title Mandingo, concerning the stereotypical ‘black buck’ slave and his effect on women, both black and white]

(US black) a tough, physically strong, virile African-American man.

2000		Ebonics Primer at www.dolemite.com 🌐 mandingo Definition: 1. a big ass nigga that takes no shit from anybody 2. term referring to Alex Haley’s movie Roots. A ‘mandingo warrior’. Specific African tribe Example: You betta not be sending that big buck mandingo.
2002		C. Stella Jimmy Bench-Press 8: A pair of Mandingos [...] Black as the ace of spades. Hung like horses.
2002		‘Touré’ Portable Promised Land (ms.) 151: We Words (My Favorite Things) [...] Sambo. Spade. Spook. Spear chucker. Coon. Darkie. Buck. Buckwheat. Mandingo.
2010		(con. 1973) C. Stella Johnny Porno 12: I hear she gets ploughed by a Mandingo and then there’s some orgy stuff.