I am a Texan and use lots of Texasisms when I talk, and since most of my story takes place in Texas, I have used several in my writing.
In your opinion, do you believe that using "Howdy" and "y'all" and "fixin-to"(one word, verb) and "jeet?"(did you eat?) and "Bubba"(I do know kids named that) and "supper" (dinner), are corny and overused by Texans? What about cowboy hats and boots? What about constant Mexican food and Whataburger(Best fast food ever)? Rodeos? Would they make my characters too stereotypical Texan, or more realistic?