There are many meanings, roughly a few. In ancient times, it was to cut off 3,000 troubles and become a monk. I don't mean it anymore. I cut off 3,000 pieces of silk. Now I show that when I am in a bad mood, I have encountered something difficult and depressed. In order to calm this mood, I have to get a haircut, get a new hairstyle, and make myself reborn and start again. Now it generally refers to changing the mood, putting down the burden, starting over and changing the mood.

Network terms:

Network language refers to a language produced from the network or applied to network communication, including Chinese and English letters, punctuation, symbols, pinyin, icons (pictures) and characters. This combination often expresses special significance in the specific network media communication. At the beginning of the 1990s, the ways adopted by netizens to improve the efficiency of online chatting or to be humorous and amused have gradually formed a specific language.