Green’s Dictionary of Slang

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

1993		G.P. Pelecanos Nick’s Trip 15: [T]he fuckin’ boofers. You know what they ought to do about the drug problem in this city? [. . . .]. Take ‘em out in the middle of the street and shoot ‘em in the head. Public fuckin’ executions’.
2008		G. Pelecanos Way Home (2009) 195: ‘That coon’s really got some size on him’ [...] ‘You know what they say: Cut a tall boofer, he falls like a big tree.’.
2012		G. Pelecanos (con. 1972) What It Was 119: Some boofer poured rotgut into a Royal bottle.