the whole world and his dog

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the whole world and his dog pl (plural only)

1. (British, idiomatic) Everybody; too many people; a huge crowd.

   I'd love to go to the Harry Potter opening, but the whole world and his dog will be there and I don't like crowds

• everyone and their dog
• see also Thesaurus:everybody

• the whole world

• for a list of "whole ___" terms that mean "everything / the whole thing", see the whole nine yards
• one man and his dog (“almost nobody”)