Flexersize 

Definition #1 To exercise solely for the purpose of flexing on people.

Definition #2 People who go to the gym just to run on the treadmill for 5 minutes, post a gym selfie then leave)

1. Dude Jenna’s at the gym, I’m gonna go Flexersize!

2. Gotta go Flexersize on snap (fake gym rat)

Flexersize by urmom3.0 December 18, 2021

Flexersize 

When one goes to the gym and flexes in the mirror rather than actually working out.

ex

Guy1 - wanna come to the gym with me?
Guy2 - no, go flexersize by yourself

ex 2

Andrew - Bro I just got back from the gym, got my swoll on.
Cory - Yea I saw you Flexersizing in the mirror.
Andrew - fuck you (walks away)

Flexersize by cjtherriault July 29, 2009

Flexercise 

(Verb) The action of *flexing one's *ice while performing physical exertion

*flexing=to show off something

*ice=expensive apparel/accessories

Jenna: OMG look at Joe's new shirt
May: It's hard not to, he won't do anything but flexercise.

Flexercise by iwritethings12 February 13, 2018

flexercise 

The act of a male, exercising in front of others, especially females, and flexing while exercising. Putting too much weight on the bar, etc. Showing off.

Janet: Martha, that guy last night started to flexercise in front of me. That was the only reason I called you to come pick me up.
Martha: Wow, what a pud.

flexercise by Orange-Porange March 13, 2009