Green’s Dictionary of Slang

(US/Ital.) a black person; also as adj.

1967		L. Bruce Essential Lenny Bruce 15: Have I ever [...] spoken about the Moulonjohns when they’d left?
1972		B. Rodgers Queens’ Vernacular 63: black man [...] mulengian.
1972		E. Grogan Ringolevio 222: The group [...] formed the opinion that Kenny was probably a ‘moulonjam’ himself.
1983		I.L. Allen Lang. of Ethnic Conflict 46: Color Allusions, Other than ‘Black’ and ‘Negro’: molonjohn [used by Italians. Probably from Italian melanzana, eggplant. Also eggplant].
1991		Cooper & Wright New Jack City [film script] This moolanyan must have an MX missile instead of a cock.
1997		T. Fontana and S. Jablonski ‘Ancient Tribes’ Oz ser. 2 ep. 2 [TV script] That fuckin’ mulenyam killed my father, I’ll take care of him.
1999		Prince Paul ‘Prince Among Thieves’ 🎵 You stupid, freakin’ mulenyam bastard.
2006		Burns & Overmyer ‘Margin of Error’ Wire ser. 4 ep. 6 [TV script] We took one dollar out of every three, but not two out of three like these moulies.