"Cho!" is a common Chinese phrase that some players yell out after winning an intense point. Etiquette Tip: Cho's should be used sparingly. Constantly cho'ing, cho'ing at the top of your lungs, and cho'ing after winning a point by an edge ball, net ball, or opponent's unforced error is widely considered rude or inappropriate.
Read more about Table Tennis Etiquette.
Coach Wiki Pages
Coach Wiki Article / Etiquette