The term 'CRACKERJACK' is an 11-letter solution to the crossword puzzle for the term 'Wonderful Person or Thing'. It is an informal expression used to describe someone or something that is excellent, outstanding, or remarkable. The phrase is derived from the name of a popular brand of snack food which was first introduced in the late 19th century. The snack was known for its combination of popcorn and peanuts, and the phrase 'CRACKERJACK' soon became associated with excellence.