coon•ass(ko̅o̅n′as′),USA pronunciationn.[Vulgar, Disparaging, and Offensive.]
Dialect Terms, Slang Terms(chiefly in Louisiana and Southeast Texas) a Cajun.
Latin cunnus) + -asse pejorative noun, nominal suffix
probably alteration, by folk etymology, etymological, of Louisiana French, French conasse a contemptuous term for a woman, literally, vulva, equivalent. to con vulva (1960–65