Heat skillet over medium high heat. Butter both sides of the bread. Cook in skillet until golden brown.
Stack ham, turkey, and cheese (alone) in your skillet. Cook over low heat until the cheese is melted.
Spread mayonnaise on one slice of bread, and BBQ sauce on the other. Add meat and cheeses.
Top with crisply cooked bacon.
Top that with lettuce and tomato.
Cut diagonally before serving.