How did 250 come from?

250 ​​represents "two hundred and five". People often call fools or people who speak rudely, do not take things seriously, deal with things casually, and like to make a fool of themselves as "two hundred and five". 250 comes from the story of the Warring States Period.

Two hundred and five refers to a person who is stupid, not very sensible and stubborn and reckless.

Usage: used as subject, object, attributive; appears in spoken language everywhere. What needs special emphasis is: Two hundred and five is used for verbal ridicule, but it is definitely not a swear word or curse word. dabbler.

From Chapter 83 of "The Strange Situation I've Witnessed in Twenty Years" by Wu Jianren of the Qing Dynasty: "It turns out that he is a poor scholar from the south of the Yangtze River. He donated 250 yuan to his colleagues and was fooling around outside."