Gav is a colloquial term that refers to a dog's bark. It is a sound that may be seen as irritating or alarming, depending on the situation. There are a number of synonyms that may be used to describe the gav of a dog, including woof, yip, yap, and growl. Each of these words may be used to depict a different type of bark or vocalization from a dog. For example, a woof may be a deep, low-pitched bark, while a yip may be a high-pitched, quick bark. Depending on the context, any of these words may be used to describe the gav of a dog.