When you spend an excessive amount of money in order to look wealthier than you are.
Guy 1: "Hey, you heard Griffin bought a Gucci belt?"

Guy 2: "Hey, you heard he spent his whole paycheck on it?"

Guy 1: "Oh. He's false flexing."
by NBAslimeboy January 27, 2017
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When somebody flexes with items that they stole from somebody else
"Hey! Did you see Sidh's new AirPods??"
"No, he's just false flexing-he stole that from coach"
by Lord toadperson January 24, 2019
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