Mexican wave

Từ điển Oxford Advanced Learner 8th

ˌMexican ˈwave BrE NAmE (BrE) (NAmE the ˈwave) noun
a continuous movement that looks like a wave on the sea, made by a large group of people, especially people watching a sports game, when one person after another stands up, raises their arms, and then sits down again
See also: ↑wave

Word Origin:
[Mexican wave] so named because of the repeated practice of this movement at the 1986 soccer World Cup finals in Mexico City.