Kouhai is an Internet buzzword, generally used to complain about other people's talk, all they talk but no action, they only brag.

Kouhai is often used to complain about people who talk a lot, but cannot fulfill their promises. They only talk without practicing, and talk about people who can't do it.

When using it, it often means bragging and flirting! Therefore, the name actually means mouth. What is the mouth used for? Talking. Hi means happy and very happy. Taken together, the word "kouha" refers to the kind of person who is very happy when speaking, and speaks very energetically, with a bit of bragging. There is nothing shameful about oral pleasure, but you need to pay attention to the scale you need to control when communicating with others. If you talk too much and touch other people's self-esteem or defense, it is very likely to attract others' disgust.

Kouhai appeared in 2012. It is a bit difficult to spread the word as to when exactly the word dates back.

Some people say that Kouhai seems to be a live broadcast on a live broadcast platform, similar to a talk show. Some people also say that Kouhai is a dialect of a certain place. Of course, there is also a more shameful saying, which seems to be a way of chatting on some dating apps; the specific origin cannot be verified.