bird of passage
A person who remains unfixed to a certain location, relocating from one place to another. The economy has forced me to become a bird of passage, moving around the state to wherever I can find work.
bird of passage
A transient, one who is here today and gone tomorrow. For example, Mary moves nearly every year; she's a true bird of passage. This phrase transfers the literal meaning of a migrating bird to human behavior. [Second half of 1700s]
a bird of passage
If you call someone a bird of passage, you mean that they never stay in one place for long. Most of these emigrants were birds of passage who returned to Spain after a relatively short stay.
a bird of passage
someone who is always moving on. Literally, a bird of passage is a migrant bird.
a ˌbird of ˈpassage
a person who does not stay in a place for very long