Green’s Dictionary of Slang

1. a Cajun (a person of French descent in Louisiana).

1943		M. Curtiss Letters Home (1944) 22 Apr. 234: I have lots of laughs at the expense of and with a coon ass by the name of Clark.
1964		D. Stagg Glory Jumpers (1968) 26: Well, hell, you ol’ coon-ass.
1988		D. Woodrell Muscle for the Wing 134: There was a sticker on the truck’s rear bumper that said Coonasses Do It in the Dark.
1990		S. Morgan Homeboy 277: Damned if the old coonass didn’t start pumping Joe’s ear full of pornographic minutiae.
2000		C. Cook Robbers (2001) 10: With death by crawfish heads it’s coonasses. Mexicans it’s knives, black kids it’s AK-47s.
2017		T. Pluck Bad Boy Boogie [ebook] ‘I bet Cajun Jay likes eggplant. You coon asses are half moolie, right?’.
2021		T. Pluck Boy from County Hell 87: ‘[H]e saw you out riding with that coon-ass we hired’.

2. attrib. use of sense 1.

1972		D. Jenkins Semi-Tough 125: I don’t see how you can be any kind of coon ass legend when you ain’t got no x’s or u’s in your name.
1976		E. Thompson Caldo Largo (1980) 84: I’ve been working on a coonass boat, but I can’t keep doing that, Johnny. They aren’t decent men like you and me.