the whole world and his dog

all over the world

throughout the world, everywhere, worldwide, globally.

buy a dog and bark oneself

To do something that one has hired someone else to do.

cat and dog life

An unhappy married life marked by arguments and disagreements.

come into the world

To be born.

coming into the world

The act of being born; a birth.

dead to the world

Sound asleep.

dog and cat

A team comprising one male and one female, either working as associates or having one as the second-in-command to the other.

dog and pony show

Any presentation or display that is overly contrived or intricate, while lacking real substance.