When someone name-drops philosophical and theoretical heavyweights in casual conversation, or babbles at length about some obscure academic idea. A form of showing off one's supposed intelligence. Associated with the pseudo-intellectual and mansplaining types.
at a party
Person 1: "You know, that movie reminds me of something Kant says in the Analytic of the Sublime...'"
Person 2: "I'm just trying to have a good time tonight. I don't need to hear your intellectual flexing."
Person 1: "You know, that movie reminds me of something Kant says in the Analytic of the Sublime...'"
Person 2: "I'm just trying to have a good time tonight. I don't need to hear your intellectual flexing."
by absolutelytheworst October 7, 2019

by ieatbees November 2, 2020

It's gonna be hard to get with her, because she's married. But she's so fine I'm going to flex a nut to make it happen
by jbott3000 January 6, 2017

when friends living in the tropics flex by casually eating fresh tropical fruits that are egregiously priced in the west (such as high quality mangoes) while videoconferencing and visibly expressing the satisfaction and joy, sometimes even talking about the quality and varietals of the fruit
friend 1: sends a photo of two mason jar full of mango juice, fresh green coconut, tagged "breakfast in bed"
friend 2: there you go again. back with your mango flex, huh?
friend 3: hmm. maybe we should terminate friend 1?
friend 2: there you go again. back with your mango flex, huh?
friend 3: hmm. maybe we should terminate friend 1?
by recognoscoo July 18, 2021

To have Been busted with flexing fake clothes before, so whatever you Are flexing now is irrelevant.
by Magnuzilla February 22, 2018

Tokyo flex Is a racial slur for asians that are abused; hence the word (flex) the bung-hole is flexed so that the father cannot penetrate.
by Do you like nachos? November 8, 2018

The notion of disctracting from a lack of intellectualism by flexing your biceps to a bunch of right wing dumbf***s.
What? You want to hear what I actually know about politics even though I just went through my entire catalog of opinion pieces and buzz words?...
LEMME SHOW U THEM GUNS! *shapiro flexes bi- and/or triceps*
LEMME SHOW U THEM GUNS! *shapiro flexes bi- and/or triceps*
by massiveDmolition August 24, 2021
