What is the meaning of "small waves" in Tianjin dialect?

Tianjin people refer to amateurs or unskilled people as "Li Batou" and describe what Li Batou does as "two Batou". Initially, the small apprentices and waiters who managed rice shops, meat shops and small restaurants in Beijing and Tianjin were called "Xiao Li Ben Er". There is an entry of "bad bus" in "Beijing Light Language", which is marked as "idiot". At the same time, there is an entry of "Ba Li". Note: "Also known as" Xiaba ",in Beijing dialect, it is clumsy and slow, and also refers to amateurs or clumsy people. "