Mexican waveyoudaoicibaDictYouDict[Mexican wave 词源字典]
"An effect resembling a moving wave produced by successive sections of the crowd in a stadium standing up, raising their arms, lowering them, and sitting down again", 1980s: so named because of the repeated practice of the movement at the 1986 soccer World Cup finals in Mexico City.[Mexican wave etymology, Mexican wave origin, 英语词源]