Johnny-come-lately

noun

John·​ny-come-late·​ly ˈjä-nē-(ˌ)kəm-ˈlāt-lē 

plural Johnny-come-latelies or Johnnies-come-lately

1

: a late or recent arrival : newcomer

2

: upstart

established families tend to hold themselves above the Johnny-come-latelies

—William Zeckendorf †1976

Word History

First Known Use

1839, in the meaning defined at sense 1