佩服老师有那么多口水
[pèi fú lăo shī yŏu nèi me duō kŏu shuĭ]
This nickname expresses admiration for someone who talks a lot or criticizes endlessly, as if they have an inexhaustible supply of 'spittle.' It is commonly used sarcastically to describe teachers or public figures who are overly talkative.