Add the meat, chips, cheese, 2/3 cup of salsa, eggs, taco seasoning, oregano, and chiles to a large mixing bowl. Using a sturdy wooden spoon, or two clean hands, mix everything together until evenly combined.
2 lbs lean ground beef, 1 1/2 cups crushed tortilla chips, 1 cup shredded Mexican blend cheese, 1 1/4 cups salsa, 3 large eggs, 1 1 oz pkt taco seasonings, pinch dried oregano, 1 4 oz can diced green chiles