The phrase "run wild" refers to the act of behaving in an uncontrolled and unrestricted manner. There are several synonyms to describe this type of behavior, including gone berserk, unleashed, unbridled, rampant, out of control, unrestrained, and unmanageable. These words all imply a sense of wildness and chaos, where individuals or events spiral out of their intended direction and become difficult to handle or contain. Whether it's a person, animal, or even a situation, the image of something running wild evokes a sense of unpredictability and danger. Overall, these synonyms capture the essence of the phrase "run wild" and the chaos that ensues when things spin out of control.