1. Appearance: Brother Milkshake has a rounded figure or facial contour, and seems to think of "DuDu", while the word "slippery" can describe the feeling that the body is soft and not heavy, so it is called "slippery DuDu".

2. Warm and lovely image: Brother Nai showed people a lovely and warm image in some live broadcast or video content, leaving people with the impression of MengMeng. Therefore, the word "slippery toot" is in line with the personal characteristics of Milk Brother.