“矬”本是北方的一个方言词,义为“个子矮”。近来,南方部分高校中“矬”的使用逐渐盛行,而且意义和用法发生了很大的变化,但北方大部分高校却未见“矬”的新意义和用法。因此,“矬”可以视作一个处于流行过程中的新词语,故而考察它的流行轨迹有利于研究新词新语,尤其是历史中并不高频的方言词是如何进入特定群体而变成流行语。本文在描写“矬”语义嬗变的基础上,分析其语义泛化与演变成流行语之间的关系,解释了“矬”从普通方言 “矬 ” This is a dialect of the north, the meaning of “short”. Recently, the use of “” in some colleges and universities in the southern part of the country has been gaining popularity and the significance and usage have undergone great changes. However, most universities in the north have not seen the new meaning and usage of “矬 ”. Therefore, “矬 ” can be regarded as a new term in the process of being popular. Therefore, to study its popular trajectory is conducive to the study of new words and phrases, especially in the history of dialects is not high frequency into specific groups and Become a buzzword. On the basis of describing the semantic transmutation of “矬 ”, this paper analyzes the relationship between its semantic generalization and the evolution of catchphrases, and explains that from the ordinary dialect