The term 'TREAT FROM A TRUCK, MAYBE' can be solved by the four-letter word 'TACO'. A taco is a traditional Mexican dish consisting of a corn or wheat tortilla filled with various ingredients such as beef, pork, chicken, seafood, vegetables, and cheese. Tacos are often served with salsa, guacamole, and sour cream. In recent years, food trucks have become popular in many cities, serving tacos and other Mexican dishes. Therefore, the term 'TREAT FROM A TRUCK, MAYBE' could refer to a taco from a food truck.