Unlike a traditional sandwich which has the condiments and the meat in between two slices of bread, a surroundwich involves taking a loaf of bread (e.g. a baguette) slicing the top part off, then creating a cavity inside the loaf (so that you are left with a shell of bread) and then placing the condiments and the meat into the shell of bread. This makes for very delicious and clean eating experience since in a traditional sandwich there is room for the stuff inside to fall out but in a surroundwich all of the condiments and meats are contain within a shell of bread which prevents any unfortunate spillage that can occur in a traditional sandwich.

When you eat dirt for the first time and leave your family to build a shack in the woods