Meaning of Johnny-come-lately

John•ny-come-late•ly

Pronunciation: ( jon'ē-kum"lāt'lē), [key]
— pl. John•ny-come-late•lies, John•nies-come-late•ly.
  1. a late arrival or participant; newcomer: the Johnny-come-latelies producing space-war films after the trend had ended.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.