Master Konger means auditory hallucination.
The word "empty ears" comes from Japanese, which means auditory hallucinations in Japanese. It is now a popular term on the Internet and is often used to describe a person whose ears are not working well and who always mishear what others say. , such as "First-level Konger Master". Later, it was gradually changed, and Kong'er specifically refers to people who deliberately interpret the pronunciation of the original language as another language.
If a person's ears are not working well and he often hears incorrectly, he or she can also be called Master Konger. It is often used to tease others about their poor hearing. Of course, it does not mean that the other person cannot hear at all. The word "Kong'er" is used in songs, which refers to composing music that already has lyrics. The lyrics translated by "Kong'er" may have a similar pronunciation to the original lyrics, but the meaning has nothing to do with it.