The phrase "riled up" refers to being stirred up or emotionally agitated. There are numerous synonyms to describe this state, including irate, provoked, incensed, angered, agitated, worked up, and fuming. These words all convey the sense of being provoked or agitated to a high level of emotional intensity. Other synonyms for "riled up" could include maddened, seething, infuriated, or boiling over. The specific word chosen to describe this state of being will depend on the context and the severity of the situation. Whatever word is chosen, it will convey the sense of heightened emotional intensity and agitation.