Being pissed off is not a pleasant feeling. It can leave you feeling angry, irritated, and upset. However, there are various synonyms you can use if you need to express this type of emotion. For instance, you can use words such as annoyed, frustrated, fed up, exasperated, or aggravated. Alternatively, you can use stronger words such as enraged, livid, or infuriated if you want to show extreme anger. Remember, using harsh language can sometimes make things worse, so it's important to choose your words carefully. Expressing your emotions in a more constructive manner can help you better deal with being pissed off.