In a large mixing bowl let cream cheese, taco cheese and butter stand at room temperature for 30 minutes. Add milk and worcestershire sauce. Beat with an electric mixer on medium speed until light and fluffy. Stir in green onion and chile peppers. Cover an chill for 4 to 24 hours.
Shape cheese mixture into a log about 9 inches long. Combine crushed corn chips and cilantro; roll cheese log in corn chip mixture. Let stand for 15 minutes before serving. Serve with tortilla chips.