Kamang means refueling. It is the Chinese homophony of the English word come on.

Similarly, Beibi means baby; Dier is a homophone of English dear, which means dear.

These words are mostly used for communication with the Internet. Many of them spread from Taiwan to the mainland. Because these words are simple and easy to learn, with the development of China's economy and the advancement of Internet technology, such words spread quickly and are deeply loved by the public.