Hangs hat is an idiomatic expression that means to settle down, relax or take up residence. Some antonyms for hang hat include "travel," "journey," "migrate," "roam," and "wander." Travel implies movement from one place to another, while journey signifies a long and often difficult venture. Migrate, on the other hand, means to permanently move to another place, while roam refers to a leisurely or aimless wandering. Lastly, wander connotes moving around without any definite purpose or destination, which is the opposite of hanging one's hat in a fixed, permanent location.