chest bump
noun [ C ] uk/ˈtʃest ˌbʌmp/ us/ˈtʃest ˌbʌmp/ (also chest-bump)
（得胜后两队员之间的）撞胸志庆
an action in which two people jump up and touch their chests together with force, especially as a humorous expression of admiration for each other
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