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. © 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: