Exclamations of dismay are words or phrases that are used to express shock, surprise, or fear. Two common exclamations of dismay are 'Yipes' and 'Oys'. Yipes is an informal interjection that is typically used to express surprise, shock, or fear. It is usually said in a high-pitched voice and is often accompanied by a gesture such as covering one's mouth. Oys is a Yiddish interjection that is used to express surprise, shock, or dismay. It is often used in situations where something unexpected has happened.