Noun- a person who acts out in order to get attention
My bro: I heard Greg tried to do a backflip because he was in front of hella females and landed on his face

Me: yea he’s a flex
by Shlong dong daddy April 11, 2020
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When someone is flaunting, bragging. You see a lot of celebrities do that and probably rude girls in school. If someone does this often enough they’re a flexor
Becky: Well, yesterday my Dad bought me a yacht and bought me a car, it was a Lamborghini
John: Becky stop flexing,no one likes flexors
by Personbehindscreen5 June 20, 2019
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