In this Oct. 25, 2017, file photo, Henry of South Korean boy band Super Junior M attends an American Eagle Outfitters event in Seoul, South Korea. The gesture he is making is referred to as the Finger Heart, and its popularity in Korean pop culture saw it spread to American athletes at the opening ceremony of the Pyeongchang Winter Games.

About 10 members of Team USA looked a little bit confused at the opening ceremony of the Pyeongchang Olympic Games as they twisted their thumbs and fingers into the shape of a popular, if subtle, Korean gesture...

Photo Credit: Han Myung-Gu/WireImage, File
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