Chitterling is a distinctive culinary term describing the small intestines of a hog traditionally used to make sausages. However, it is a word with a limited regional use and not commonly used in many parts of the world. Some alternative synonyms for chitterling include hog casing, gut, or sausage casing. Other words that could be used to describe this preparation method include sausage skin or sausage intestine. While the flavor of chitterlings can be somewhat polarizing, their usage in different cuisines around the world makes them a unique and tasty ingredient in a variety of dishes.