おっきごう!oh! (an expression of surprise or realization)おっとoops (an exclamation when making a mistake or encountering a minor problem)おっしゃるとおり通りyou are absolutely rightおっかないscary (a colloquial way of expressing fear)おっかけるto chase (an informal expression)おっしゃるいみ意味the meaning you are referring toおっさんold man (a casual or slightly disrespectful way to refer to an older man)