Flex Off 

When a man gives himself a prostate orgasm and ejaculation by laying on his stomach and flexing his ass muscles up against his prostate to stimulate it. This can be done when the penis is either erect or flacid, and nothing needs to go inside your rectum. It's like bottoming solo.

Luke doesn't jerk off, he flexes off. Why can't you masturbate like everybody else does, Luke? Why do you have to figure out ways to have better orgasms and keep this shit a secret, Luke? I want to flex off too. Wow I bet Luke is great in bed, he knows all kinds of secret tricks.

Flex Off by IcyHot June 9, 2017

flex off 

have sex

i'm gonna have to flex off with her.

flex off by irishwhite June 19, 2003

Knowledge Flex Off 

When more than one person is doing a Knowledge Flex

Our meeting went for 2 hours over time with those 4 people constantly having a knowledge flex off

Knowledge Flex Off by Cozza Collins May 1, 2008

Flex Offender 

A flex offender is someone who has been accused of flexual harassment. They flex so hard that they make others around them feel violated. Registered flex offenders are not permitted within 50 feet of a school zone.

"Wow dude, that guy has light up wheely crocs. He even has a Minecraft t-shirt"

"Yeah, he's a registered flex offender"

Flex Offender by Registered_gamer June 8, 2019

Flex offender 

Definition: A flex offender is a person who has committed a flexual crime. Flex offenders can be classified as someone wearing to much overpriced clothing, or flaunting their bodies around to much. If you see a flex offender or suspect someone of flex offending don't hesitate to call someone.

Example: Johnny looks like a straight flex offender with all that Supreme gear

Flex offender by Nateg123 November 27, 2017

Registered Flex Offender 

When your style is so official, that it's nearly criminal.

"My new watch came in the mail today. Check it out."
"Whoa bro, you're a registered flex offender now."

Registered Flex Offender by DictionaryPapi June 20, 2014

Flex Offender 

Someone who is registered as being a flex offender. A person who feels the need to flex on everything they do.

“Aye cuh, we finna go toes?? Cuz you already know I’m a registered Flex Offender.”

Flex Offender by Benjie F. July 20, 2018