What is the meaning of the idioms of the story His purchase had eaten up all his savings?

Well, isn't that just a happy little idiom! When we say "eaten up all his savings," we mean that someone has spent all of their money on a purchase, leaving them with none left. Just like a hungry squirrel munching on acorns, this person's big purchase has left their savings completely gone. But remember, mistakes are just happy little accidents, and we can always start fresh with a new canvas.