What is Antu selling nuclear bombs?

The little girl selling nuclear bombs in Antoine's fairy tales, the girl selling nuclear bombs in snowy days. As a result, everyone was busy with Christmas, and no one bought her a nuclear bomb. When she was cold and hungry, she thought of her grandmother. She opened a nuclear bomb, and the whole town met her grandmother that night.

"gěng" is a typo of "gén" in network language, which means "laughing point, foreshadowing, or something with special meaning or irony". It often exists in variety shows and networks, and it also appears from time to time in daily life.