The ‘I bǎ you (this/that) + NP’ sentence pattern in modern Chinese, represented by the novel Journey to the West, has always been a hot topic in academic research. The various explanations made by predecessors from grammatical perspectives cannot well answer the reasons why this patttern only appears in the abusive context, nor are they in line with the pursuit of natural language habits in oral expressions. From the perspective of dialects and slangs, especially the commonly seen cases in modern dialect areas such as Wuhan and Yimeng, combining the process of writing Journey to the West and the source of language materials of which, interpreting ‘bǎ’ as a abusive word in folk vulgar language not only answers the unsolved questions, but also makes the ‘bǎ’ clause sentences more appropriate, natural and reasonable. With the development of language, the emotional color of the abusive word “ba” for scolding gradually weakened, eventually becoming a common pet-phrase in vulgar oral language.