What does crab girl mean?

Crab girl refers to a kind of girl who walks sideways like a crab _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

Later, it was even more ridiculous. It was called "crab girl", as opposed to "shrimp man". Because crabs have eight legs, crab women are also used to describe women as hands, and reaching out is money (pliers). Become the kind of woman that men dare not marry with the pastoral girl and Voldemort (the younger brother).