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When you or another individual try to secretly flex on somebody or a group of people. (Mostly occurs on Youtuber's with a lot of money)
Jake Paul: I just wanted to let you guys know that I love you all (Tries to show his Rolex and Disney contract whilst apologizing.)

Individual: I hate it when he tries to do that stupid Hidden Flex thing, it just shows how petty he is.
by Thingamajiger June 05, 2018
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