The term 'POOCH Sound' is a crossword solution that consists of two words: 'ARF' (3 letters) and 'POOCH'. The sound 'ARF' is a common sound made by dogs, often referred to as barking or yapping. It is a sound that is used to express excitement, fear, or other emotions. 'POOCH' is a slang term for a dog, usually referring to a small or cute dog. Therefore, the term 'POOCH Sound' can be used to describe the sound a dog makes when expressing emotion.