everyone and their mother

everyone and their mother

A large number or a majority of people. Used hyperbolically. I'm so nervous, everyone and their mother is coming to our show tonight.
See also: and, everyone, mother
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

everyone

see entries under every man.
The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
See also: