Founder of the /success channel. Search Marketing Director at Kraken Kratom. 

I lived in Texas my whole life, I don’t think it’s happening

Move to the south and commit. You'll have one in about 7 years or so. Probably not as pronounced as what you want tho.

You could watch movies or TV shows, or even YouTube videos featuring Southern accents.
But then, why are you interested though?

its fun to pretend at least.  when I was young and bored at work I would help customers in different characters sometimes and that one was Dwayne and he wore the hi-vis vest inside the store.