coon-assed, adj. — Green’s Dictionary of Slang

coon-assed adj.

also coon-bossed

[coon n. (1) + -assed sfx (1); but note coon-ass n., esp. given cit. 1956 is set in New Orleans]

(US) a general term of abuse.

1902		O. Wister Virginian 160: Why, yu’ coon-bossed face towel.
1956		N. Algren Walk on the Wild Side 161: Anyone who says I ever hit any woman with anything bigger than a small housebrick is a coon-assed liar.