somebody's favourite son

favorite son

A well-known man, especially a politician, who is supported and celebrated by people in his hometown. Ray was the favorite son of his hometown of Twin Falls, Idaho.
See also: favorite, son
Farlex Dictionary of Idioms.

somebody’s favourite ˈson

a performer, politician, sports player, etc., who is popular where they were born: Everyone in the town was proud and excited to see their favourite son nominated for an Oscar.
See also: favourite, son
Farlex Partner Idioms Dictionary
See also:
  • favorite son
  • favourite son
  • favourite
  • favorite
  • favorite daughter
  • HTH
  • show the flag
  • wave the flag
  • have never looked back
  • fly/show/wave the flag