If it's carbonated it's Coke, you just specify the flavor
I swear I don't have an accent, nor am I a cowgirl or southern peach, but I do say ya'll ( I say dude a lot too)
My mom has the weirdest pronunciations though. She says material ma-TUR-ial and cereal SURial o_O ?! I also ask if she wants to go to EYEtaly because she says EYEtalian food :P