What is it called, the gesture whereby a team stack their hands on top of each other's with their palms face-down, then swing their arms quickly backwards, and go "Yeah!" or something, before they enthusiastically engage in some sort of teamwork activity?
Learn English – What’s the hand stacking gesture called
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Best Answer
Oddly enough, it is actually called a "hand-stack."
According to this link, anyway:
hand-stack