1. In a bowl, place lettuce, cabbage, tomatoes, onions, jalapeño, corn, and cheddar cheese.
2. Mash avocado in a bowl with a drop of lemon juice, salt, and pepper.
3. Top salad with crushed tacos, salsa, avocado, and a heavy drizzle of garlic mayo. Mix thoroughly. (The salsa, avocado, and garlic mayo will act as the dressing.)