The term 'BIG FLOP' can be summarized by four crossword solutions: EDSEL (5 letters), BOMB (4 letters), FIASCO (6 letters), and DISASTER (8 letters). The term 'BIG FLOP' is often used to describe a product, event, or venture that fails spectacularly. The term 'EDSEL' refers to a car model produced by the Ford Motor Company in the late 1950s, which was a commercial failure. The term 'BOMB' is often used to describe a movie or play that fails to attract an audience. The term 'FIASCO' is used to describe an event or situation that has been a complete failure. Finally, the term 'DISASTER' is used to describe a calamitous event that causes great damage or loss of life.