The expression "gotten upon" is a colloquialism that means to annoy or upset someone. There are several synonyms for this phrase, and they include "grind", "irk", "bother", "aggravate", "peeve", and "frustrate". Each of these words describes an action that causes irritation or annoyance. For instance, "grind" pertains to actions or words that are repeated and become just too much to bear. "Pe eve" means getting on someone's nerves, while "irritate" is a general term that implies any uncomfortable feeling caused by something. In summary, if you want to avoid using the expression "gotten upon," you can use any of the synonyms mentioned above.