Cách sử dụng
The expression "go off on one" means to suddenly start talking angrily or excessively about a certain topic. It is usually used in informal settings and can refer to someone who becomes upset or agitated and begins to rant or complain. For example, if someone is discussing politics and suddenly starts shouting or becoming overly passionate, you might say they are "going off on one." It is important to note that this expression is generally considered rude or disrespectful if used to describe someone's behavior in a negative way.