There is absolutely no sophisticated way of eating this massive carnivorist delight! It is downright neanderthal in the way to attack it, but once you do, you will surely be in smoked meat paradise 

Where to buy it?

Magic Kingdom: in Adventureland, look for the Turkey Leg Cart.
Epcot: Fife and Drum Tavern in the American Adventure Pavilion at the World Showcase.
Animal Kingdom: Safari Turkey Kiosk and Trilo-Bites in Dinoland
Disney Hollywood Studios: Toluca Legs Turkey Company on Hollywood Boulevard.