everybody and their dog
Synonym of everybody and his brother (“everybody, everyone; also, a large number of people; most people”).
Everybody and their dog in that town had the "fever and ague," and they walked about like ghosts.
pron
All people.
Does everybody have their ticket(s) at hand?
Selwyn, sitting up rumpled and cross-legged on the floor, after having boloed Drina to everybody's exquisite satisfaction, looked around at the sudden rustle of skirts to catch a glimpse of a vanishing figure—a glimmer of ruddy hair and the white curve of a youthful face, half-buried in a muff.