The stem (gěng) in network language comes from "g? N), meaning funny words or actions. However, people are generally used to using the word stem because it has another meaning: blocking. In other words, when someone asks what XX is, thinking is blocked because they can't understand the meaning of the code. Therefore, the meaning of terrier is richer and the expression is more in place. To sum up, in the network field, stalk generally refers to a conventional concept, which represents a special meaning and can cause the scolding of informed netizens. People who don't understand stalks are often not easy to detect the jokes or fun.