Kaintuck noun 2adjective 1forms 1 noun2 •(dialect, US) A native or resident of Kentucky, especially one who has a rustic character."Sech deescriptions . . . brings back my yearlin' days in good old Tennessee. We-all is a heaplike you Kaintucks down our way." — 1902 •(dialect, no longer used) A worker, especially one having a crude or rowdy manner, on a boat that transported commercial goods on the Mississippi River.Most New Orleans citizens . . . were used to the Kentucky riverboatmen, the Kaintucks others called them; they called themselves alligator-horses, and they were largely a rough and tumble breed. — 1974 adjective1 •(dialect, US) Of or pertaining to the US state of Kentucky.His single shot had clipped a boulder right by Coe's head, just the way a Kaintuck rifleman barks a squirrel. — 1958 formsKaintucks