The term 'Cracker Jacks' is a brand of snack food that has been around since the late 19th century. It consists of popcorn and peanuts covered in a sugary syrup and is known for its iconic prize inside each box. The crossword solution for this term is 'ACES', which is a four-letter word meaning 'excellent or outstanding'. This is an appropriate description for Cracker Jacks, as it is an excellent snack food that has been enjoyed by generations of people.