1. Cut a 1-1/2 inch slice off the top of bread; set aside. Carefully hollow out bottom, leaving a 1/2 inch shell.
2. Cut salami and ham into 1/2 inch pieces. Place in a large bowl. Stir in lettuce, cheese, tomatoes, onion and pepperoncini.
3. In a medium bowl, stir together remaining ingredients. Gently stir mayonnaise mixture into meat mixture. Spoon into the hollowed out bread.
Tip: Serve the hoagie dip with crackers or spoon onto the bread lid removed from the loaf.