Flexyboy

A show-off.

Look at that flexyboy, doing back-flips in front of the girls again.

by Badman José March 28, 2015

Flexin' the D

A term used to describe the "voluntary" act of erecting the penis.

Me: "Hey bro what are you doing?"
Bro: "Flexin' the D and playing GTA5"

by dickguru October 14, 2013

Flexist

Someone who is against the act of flexing.

Richie: *flexes in mirror*
Matt: Ugh stop flexing, get over yourself
Cassandra: Don't be a flexist Matt

by HFJet October 23, 2015

flex my balls

The action that is taken when one or more individuals need to be put in their place, or when a situation calls for an alpha to step up and assert their dominance to get the desired outcome

I decided to flex my balls at work and make the peasants under me work late

by White-Rice October 31, 2017

flexessity

A necessity of having or making a flex.

Guy 1: That car mod isn't a necessity!
Guy 2: It is a flexessity though.

by Sergenex November 29, 2017

flex value

The extent to which an item may be used to flex on others

Yo them chains got mad flex value

by Protegent December 2, 2017

Flexi-shagger

Someone who fits easily into their partners sexual cycle. chur AS - 2018

"Babe I have never really been into morning sex but because you are so sexy in the morning, i really am now!" - "Oh baby you are such a good little flexi-shagger" AS 2018

by sage wolf August 13, 2018