Why use "250" to describe swearing?

In daily life, people often call people who don't speak seriously, do things seriously, do things casually and make a fool of themselves as fools or "250".

One is a story from the Warring States period. Su Qin was a lobbyist during the Warring States Period. He was deeply impressed by the six countries. He was very powerful at that time, but he also made many enemies. Later, he was finally killed in Qi. The king of Qi was very angry and wanted to avenge Su Qin. But he couldn't find the murderer at the moment, so he thought of a plan to cut off Tai Su's head from the body and hang it on the city gate, with a notice posted next to it saying, "Su Qin was a spy, and he killed him with 1,200 gold. I hope to get a reward. " As soon as the poster was put up, four people claimed to have killed Su Qin themselves. Qi Wang said: "This is not allowed to be faked!" All four insisted that they did it. The king of Qi said, "One thousand two hundred gold, how much do you four get each?" The four people said in unison: "One person is 250." The king of Qi was furious and said, "Somebody, push these four' 250s' out and behead them!" The word "250" was handed down in this way.

There is also a saying that it has something to do with pushing out nine.

Originally, Pai Gow (an ancient gambling tool) contains two cards, namely "Baner" (four points) and "Wu Yao" (six points), which together constitute ten points, which is called "Shooting Ten" in the gambling activities of pushing Pai Gow. It is the smallest point in the ninth row, and anyone is bigger than it. It can't "eat" any cards, so people use the word "Banerwu" to refer to those who can't do anything well and can't control anything. After a long time, I will call "two boards and five" "two hundred and fifty". In Hong Kong, it is also customarily called "Erwuzai".

There are two other theories:

1. The "mayor" scene in Chang 'an in the Tang Dynasty was very powerful, and there was a huge ceremonial team during the patrol. Escort in front of the beadle, the original is a member, the official name is Wu Bai. He had a long pole in his hand to drive away the pioneers. Later, Wu Bai was added as a member, but Chang 'an people did not call them the Second Wu Bai. But they are called 500, so everyone is called 250, and because everyone has a long pole in his hand, he is also called Er Ganzi. Today, two hundred and fifty and two stalks are synonymous with recklessness, rudeness and rudeness.

It shows that the people in Chang 'an in Tang Dynasty were disgusted with officials who abused their power for their own benefit.

2. Once upon a time, there was a scholar who tried to become famous and forgot to eat and sleep, but he never won a prize in his life, and even his son was not born.

In his later years, the old scholar was finally disheartened and indifferent to fame and fortune, so he was happy with his son and had a double birthday in his later years.

The scholar recalled the success or failure of his life and couldn't help feeling deeply, so he named his two sons: one was success and the other was failure.

From then on, the scholar studied behind closed doors at home and lived in harmony.

One day, the scholar told his wife, "I'm going to the market." You urge your second son to write at home, the eldest son writes 300, and the youngest son writes 200. "

When the scholar came back from the fair, he asked his second son how he was studying at home. His wife replied, "I wrote it, but it's not enough. It's more than enough. Both of them are 250. "