Green’s Dictionary of Slang

1. pertaining to the US rural South; ext. to any white person.

1808		Balance 6 Sept. 144: [signature of a poem] ‘A cracker painter’.
1856		H.B. Stowe Dred I 156: I was amused enough [...] with Old Hundred’s indignation at having to get out the carriage and horses to go over to what he called a cracker funeral!
1886		I.D. Hardy Oranges and Alligators 151: ‘Have you the time?’ – receives no decisive or satisfactory answer. One man gives you ‘sun-time’ – otherwise known as ‘local’ or ‘cracker-time’.
1906		Wash. Post (DC) 30 Sept. 3/2: Old Simp [...] knowed that a cracker jury would find him [guilty].
1928		C. McKay Home to Harlem 22: Strong like a bull, yet just knocked off in the dark through raw cracker cussedness.
1932		‘R. Scully’ Scarlet Pansy 212: The Marine spoke in a high-pitched Southern cracker drawl.
1945		C. Himes ‘A Night of New Roses’ Coll. Stories (1990) 126: She’d made me lose my job, my girl, and my deferment — just by being white. The goddamned degenerate cracker slut.
1956		N. Algren Walk on the Wild Side 246: I’m sure he’d purely hate to see that cracker puss on the front page of the Picayune.
1965		L. Bruce How to Talk Dirty 70: A cracked cracker voice behind me spoke up determinedly.
1970		T. Southern Blue Movie (1974) 173: Calling back over his shoulder in an absurd cracker drawl: ‘Ah done ast you to find out what it is, you heah?’.
1980		J.L. Gwaltney Drylongso 220: Them crackuh doctors jus’ went right along with it because God’s truth ain’t in no crackuhs.
1991		C. Hiaasen Native Tongue 124: Cracker bastard didn’t seem to care.
2001		G. Pelecanos Right As Rain 199: I hate cracker motherfuckers! [...] I swear to God, I’m gonna kill the next white motherfucker I see!
2006		G. Iles Turning Angel 283: Cyrus’s homeys won’t say shit to those cracker cops.
2019		D. Winslow Border [ebook] You going to cracker country, Darnell told him, it’s good to have a white man at the wheel.

2. racist.

1964		A. Baraka Slave in Three Negro Plays (1969) Act I: Some cracker soldier will be bayoneting you before the night is finished.
1978		R. Price Ladies’ Man (1985) 29: I’m talking a you! yah cracker bastard!
1986		C. Stroud Close Pursuit (1988) 103: The Civil War was the war where the black soldiers fought all the cracker sheriffs down in Dixie after a cracker assassin killed Mister Lincoln.
1995		C. Hiaasen Stormy Weather 42: It took the cracker trooper only about two hours to quit glaring.