The term 'Chihuahua Treat' can be solved by the crossword solution 'Tacos', which is a five-letter word. Tacos are a traditional Mexican dish made of a corn or wheat tortilla filled with various ingredients such as meat, cheese, vegetables, and salsa. They are often served with sides such as guacamole, sour cream, and refried beans. Tacos are a popular snack food in Mexico and have become increasingly popular in other parts of the world. The term 'Chihuahua Treat' is likely referring to tacos as a treat for Chihuahuas, a breed of small dogs originating from Mexico.