Flying the coop is a phrase used to describe someone leaving an oppressive or restrictive situation. Often used to describe a teenager leaving their parents' home to live independently and seek new experiences, it can also refer to escaping from a job or breaking free from a controlling relationship. Some synonyms for flying the coop include running away, breaking out, fleeing, escaping, or making a break for it. These terms all suggest a sense of urgency and determination in breaking free and creating a new life independently. Whatever the reason for leaving, these words all connote a desire for a new beginning and a fresh start.