The term 'meatball' is a type of food that is usually made from ground beef, breadcrumbs, and spices. It can be served as an appetizer, main dish, or side dish. The crossword solutions for the term 'meatball' are OAF (3 letters), NINCOMPOOP (10 letters), RISSOLE (7 letters), and FOOL (4 letters). OAF stands for 'OAFISH', which means clumsy or awkward. NINCOMPOOP is a slang term for a foolish or silly person. RISSOLE is a French term for a small, round patty made from minced meat and other ingredients. Finally, FOOL is a synonym for a silly or foolish person.