everyone and his cousin

everyone and his cousin

Used hyperbolically to express a large number or a majority of people. I'm so jealous, everyone and his cousin is going on a vacation this summer except for me.
See also: and, cousin, everyone
Farlex Dictionary of Idioms.

everyone

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