There are several antonyms for the phrase "hanged one hat", which typically means to settle down in a particular location or to make oneself at home. Some possible antonyms include "uprooted oneself", "hit the road", "moved on", "changed scenery", and "took flight". Each of these phrases suggests a departure from one's current location, whether for a short period of time or permanently. While "hanging one's hat" implies a sense of stability and permanence, these antonyms suggest a need for change or exploration, and the desire to experience new places and opportunities.