In a pan, cook bacon until golden and crisp. Remove from pan and drain on paper towels. Cut each into two and set aside.
In a bowl, combine butter and 2 tablespoons of the hot sauce.
In a bowl, combine mayonnaise and blue cheese. Set aside.
In a bowl, mix together ground beef, Worchestershire sauce, the remaining 2 tablespoons of hot sauce, salt and pepper until just combined. Divide into four and form into 1/2 inch thick patties. Brush on both sides with hot sauce-butter mixture.
On a lightly-oiled grill over medium-high heat, cook patties, brushing with hot sauce-butter halfway through, for about 3 to 5 minutes on each side or until desired doneness. Remove from grill and let rest.
With cut side down, warm buns on the grill for about 45 seconds or until lightly toasted.
On bottom hamburger bun, lettuce, tomato , bacon, beef patty and a dollop of mayo-blue cheese dressing. Top with remaining top of hamburger bun.