"老 baby", a buzzword on the Internet. “Baby” is usually used to call a child or a young person. But added with a “老 lǎo ”, which means "old", has become “old baby”. People who are called “老baby” are usually not young, but very handsome or rich. It first came from a popular video which said: Q: Would you marry an 80-year-old billionaire? A: What old man? You are rude, that is my “old baby”! Typical “老baby”are: Elon Reeve Musk Brad Pitt The word is also often used by some couples as a joke to refer to each other. For example, when a girl calls her boyfriend old baby, she makes fun of him for being an old man, while she is young and beautiful.