Green’s Dictionary of Slang

Mr Charlie n.

also Massa Charlie, Mister Charley, Mister Charlie, Mr. Charley, Mister Cholly
[SE Mr + generic ‘white’ name Charlie]

1. (US black) any white man.

[US]R. Fisher Walls Of Jericho 303: mr. charlie Non-specific designation of ‘swell’ whites [...] ‘That boogy’s got a straight-eight just like Mr. Charlie’s.’.
[US]G. Kahn Manhattan Oases n.p.: These bojangs hanging around the entrance have seen Mister Charlie and Miss Mary before.
[US]C. Himes ‘In the Rain’ in Coll. Stories (1990) 304: ‘Keep the convicts out of the corn.’ That’s what Mister Charley says.
[US]Z.N. Hurston ‘Story in Harlem Sl.’ in Novels and Stories (1995) 1009: Mister Charlie: a white man.
[US]W. Fisher Waiters 53: To earn a living they had to Uncle Tom ‘Mr. Charley’ by day.
[US]C. Brown Manchild in the Promised Land (1969) 7: Good-bye to the cotton fields, good-bye to ‘Massa Charlie’, good-bye to the chain gang.
[US]N. Heard Howard Street 159: Dig us, Mister Charlie, white man! We is down, and baby let the good times roll!
[US]Milner & Milner Black Players 139: Whenever some nigga brings in some money from Mister Charlie, all the other niggas want a piece.
[US]N. McCall Makes Me Wanna Holler (1995) 104: Pretty soon it’s gonna be all over for Mr. Charlie.
[US]‘Touré’ Portable Promised Land (ms.) 89: Black leaders [...] smart enough to never fall into the trap of screaming Cracker! at Mister Charlie.

2. attrib. use of sense 1.

[US](con. 1986) G. Pelecanos Sweet Forever 80: Ain’t no way he was gonna let Tutt, or that other Mr. Charley cop, Murphy, show him up.

3. (US black) a husband.

D. Burley in Chicago Defender 6 June 23: Ducking out before Mister Cholly comes home.

4. the man in power.

[US]R.D. Abrahams Deep Down in the Jungle 209: One day Sam's boss, Mr. Charlie, walked up him [sic] and said [etc].
T. Kochman ‘“Rapping” in the Black Ghetto’Trans-action Feb. 28/2: In the northern cities the black encountered authority figures equivalent to Southern ‘crackers’: policemen, judges, probation officers, truant officers, teachers and ‘Mr. Charlies’ (bosses), and soon learned that the way to get by and avoid difficulty was to shuck.
[US]H.E. Roberts Third Ear n.p.: Mister Charley n. [...] the boss.

In phrases

fast-talking charlie (n.)

(US black) a Jew, esp. a Jewish storekeeper.

[US]E. Folb Runnin’ Down Some Lines 61: One teenager defined ‘fast-talkin’ Charlie’ as ‘a slicker, one o’ dem ol’ fast-talkers. Someone who’s slick. Like Jews, you call ’em dat, ’cause dey are fast talkin’. When you come in d’ store, dey get to talkin’, be tryin’ to make dat bidness’.
[US]C. Hiaasen Lucky You 330: They didn’t appreciate getting jerked around by some fast-talking Charlie.