When one male-gender-oriented indvidual decides to show another of the classification their bicep muscle, and in the process tightening the muscle, achieving maximum douchebag level. Usually used on somone who could be described as being a 'hater' by the flexer, or the 'flexee'
Guy 1: "Drake's new album comes out today! I hear there are 12 songs on it about his secret lover Lil Wanye, and the other 3 are about losing."
Guy 2: "Drake blows"
Guy 1: "I'm gonna flex on you!!!"
(Guy 1 starts flexing)
A desperate attempt to win an argument. Something that one person accuses another of doing when the accused person makes a salient point that the accuser cannot refute.
Bob just made a bunch of good points, but he can't be right. He must be flexing.
When a man tries to tie down a well paid lady by getting her pregnant and tricking her into marriage to upgrade their journey on the gravy train from a season pass to a lifetime pass.
(Barman phones friend)
Barman: Yo Kristof Duttonivich, there’s some single girl here who’s just paid for a round of drinks using her platinum American Express card, she must be minted, I thought you might be up for some flexing!
Friend: yeah man! Let me just finish my scoff, and I’ll be down to full flex on that!
The act of being better than everyone else for a certain period of time. Can only take place on specific days according to ones work schedule. You are not allowed to flex on anything shorter than a 3 day. If it's a 3 day or longer you can flex but not on the first or last day the first day is to warm up the flex and the last is to cool down after flexing on everyone.