everyone and their brother

everyone and their brother

A large number or a majority of people. Used hyperbolically. Everyone and their brother is going to be at the wedding this July, I hope I can make it too.
See also: and, brother, everyone
Farlex Dictionary of Idioms.

everyone

see entries under every man.
The American Heritage® Dictionary of Idioms by Christine Ammer.
See also:
  • everyone and their mother
  • everyone and their dog
  • everyone and his mother
  • everybody and their brother
  • everyone and his dog
  • everyone and his uncle
  • everyone and his cousin
  • and his mother
  • everyone and his mum
  • everyone and their mum