The term 'SOUR CREAM CONCOCTION' can be broken down into two crossword solutions: DIP (3 letters) and ONIONDIP (8 letters). DIP is a generic term for a condiment or sauce that is used to add flavor to food. It is usually thick enough to be scooped up with a chip, cracker, or vegetable. Oniondip is a specific type of DIP made with sour cream and onion powder. It is often served as an appetizer or snack.