To flake or fake on something or someone...
a person who doesn't do what they say they gone do...
mayne u said u was cumin over, why u b flexin on meh...

man dawg shawty be flexin meh mayne...
by JoDy b0ii April 17, 2009
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A d.j. delivering a proper set on the turntables. We're "flexin" tonight.
by Anonymous September 19, 2003
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Lying, doing a horrible job, and you think everyone believes you.
Dat nigga Raquan flexin', he know he can't pull mo bitches den me.
by The Ace of Spadez June 7, 2009
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to cliam that you have something but you are actually liein and when call upon don't have the said item
person 1: man i got $100000000000 in the bank and i'm not flexin
person 2: let me hold $5000
person 1: man it ani't in the bank it's comin in the mail
person 2: why you gotta flex so much
by k-kizzle February 7, 2007
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Flexin is a word of many definitions ......You can be flexin when your in a heavy work out, or when u are around a heavy amount of girls..... or when u have nice swagg..in that case my friend are u flexin?
Example 1:Yoooo u should of seen me last night bro i was "Flexin'" on them hoes. I had like 12 girls on me at once.

Example 2: Yo that nigga right there got mad swagg....Yo hes "Flexin'"!

Example 3:Yo cjay u down to "Flexin'" later..
Cjay-where at eric
Eric-YMCA
Cjay-Ight nigga i guess we "Flexin'" then
by bboyleftfoot January 2, 2011
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The act of sleeping with your friends girlfriends, female companions, or any other form of feminism they may have brought with them.
Boy 1: "Dude, I brought this girl with me."

Boy 2: "Watch out for Devonaire, he's got that flexin' look on his face."
by drdhallionsupremeteam January 13, 2013
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Flexin: Showing off expensive items/ homes/girls. Its also a guarantee they have small penises. Always prayed upon gold diggers.
Flexin' Ex: Ricegum always FLEXIN in every "diss track'.(A.K.A. him flexin).
by JesusMeme420 October 12, 2017
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