Lit. "to kick (leather) ball".
Figures notbaly in Water Margin, where it is played by Gao Qiu. The novel also suggests that it was considered a lesser art, e.g. as opposed to the scholarly Four arts and the "proper" martial arts.
Figure 1. Source.
Video 1.
Ancient Chinese Football Freestylers by Tifo Football (2021)
. Source. Mentions that it was popular in the Ming dynasty, but then, if you will, the ball fell off a bit.
Video 2.
Bernardo cuju challenge by Manchester City (2019)
. Source.