In “Cartoon,” Sandburg presents the People as one enormous, weathered woman. The speaker is not describing a real person; he is drawing a symbol, and he calls her the “Great Dirty Mother.” That word “dirty” is not an insult here. It suggests labor, poverty, earthiness, and a life that is not polished or protected. She is vast and grounded, and the many children hanging on her apron, crawling at her feet, and snuggling at her breasts show how ordinary human beings depend on her. They cling to her for food, comfort, and safety.
The mood is both tender and rough. There is affection in the image of children snuggling, but there is also a raw, crowded, almost desperate energy in the way they hang and crawl. The speaker seems to admire this woman as a symbol of the common people: messy, strong, endlessly giving, and impossible to separate from the lives that cling to her.