When someone faking or putting up a front.
ni66a said he got it, he flaggin' dont believe him.
by Rico Virus December 2, 2021
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Whenever someone does not follow through with a plan.
Knox always be flaggin on poker nights and dinner plans!
by Stetqavious-the-4th November 7, 2022
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When someone has way too many red flags 🚩
OH NAH SHE FLAGGIN 🚩
by christhedude21 August 28, 2022
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1:Putting TV's in your car such that only the people in the car behind yours can see the TV
2:Showing Off in any manner
"Look at that mustang up there! dude is proto-flaggin."

"Look at that jit, he just proto-flaggin"
by WillieD1114 January 18, 2009
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