fist pump
noun/ˈfɪst pʌmp/
/ˈfɪst pʌmp/
(informal)- an action to celebrate success or victory, or to show support, in which you raise your bent arm with your hand tightly closed and then move it quickly and strongly down towards your body
- When I saw the final score, I gave a fist pump and shouted out ‘YES!’
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fist pump