noun (plural Johnny-come-latelies or Johnnies-come-lately) Date: 1839 a late or recent arrival ; newcomer , upstart
JOHNNY-COME-LATELY
Meaning of JOHNNY-COME-LATELY in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012