In a medium bowl, combine lobster meat, mayonnaise, chives and lemon juice. Season to taste with salt and pepper.
Butter the outside surfaces of hot dog buns.
Heat a medium skillet over medium-high heat. Place buns, buttered side down, in skillet. Cook until slightly browned or toasted, about 2 minutes per side.
Open buns; fill with lettuce, then lobster mixture, and serve.