What does Guo Chunhai mean?

This is a joke! ~ There are many versions online! It is common for prostitutes to have children when they are old, but they are worried when they name them, because they don't know whose children they are. He slept with three men that day! ~ Then she found an old monk to name her. The old monk asked the three men what their surnames were. She replied: one surnamed Gao, one surnamed Li and one surnamed Chen. The monk said that the child's surname was Guo. She asked why? The monk replied: Take the upper part of Gao, the lower part of Li and the half of Chen Zuo, hence the surname Guo. She said yes, let's give it another name. The monk said spring. She asked how to say it? The monk replied: three people are on the same day, so it is spring. She said, please ask the monk to take another word. The monk said the sea. What did she ask? The monk replied: everyone has this child at a little bit, so it is the sea! So the baby's name is Guo Chunhai! ~