The term 'Snacks with Shells' can be summarized by the crossword solution 'Tacos'. Tacos are a popular Mexican dish consisting of a corn or wheat tortilla filled with various ingredients such as meat, cheese, beans, lettuce, tomatoes, and salsa. They are often served with a variety of condiments such as sour cream, guacamole, and hot sauce. Tacos are a popular snack food and can be found in many restaurants and grocery stores.