In a medium bowl, whisk the mayonnaise, mustard, lemon juice, steak sauce, dried dill weed, salt, and pepper until combined an smooth.
1/2 cup mayonnaise, 1 &1/2 tbsp mustard, 1/2 tbsp steak sauce, 1/2 tbsp lemon juice, 1/4 tsp dried dill, 1/4 tsp salt, 1/8 tsp ground black pepper