Handsome Jack 

The villain of Borderlands 2
Also the most handsome of all
And the funniest of all

Handsome Jack: Hey! How -- ah these pretzels suck...
Players 1-4: Hashuahshahehaheh

Handsome Jack by KALABUSH February 19, 2017

Fart-Jack 

The act of being lazy, or not doing what one is supposed to be doing, such as at a job.

"Quit fart-jacking around Bill, if we don't get this work done we're going to be fired".

Fart-Jack by Jeano-Beano May 26, 2018

thanos jack 

God.

Thanos Jack 3 confirmed.

thanos jack by thanos jack 3 confirmed October 25, 2018

Pepper Jack 

A person who is the most funniest, charming, loving, cheerful and the most enthusiastic person you will ever meet in your entire life. Pepper Jack will always know how to cheer you up, He will always make time for you. Pepper Jack will always be the life of the party, even if that party is inside your heart. Trust is hard to build with Pepper Jack but once you have it... try not to break it, Pepper jack doesn’t put up with bullshit

I met Pepper jack at a party and I fell instantly in love.

Pepper Jack by Katie <3 September 3, 2020

Jersey Jack 

Demonym (name) for the male inhabitants of New Jersey, the state that is better than New York City.

Gal: Are you a Jersey Jack?
Guy: I very well am. I've visited everything between High Point and Cape May!

Jersey Jack by Sunset King December 9, 2020

Bald jack rabbit 

A particular tik toker's nickname

Did you see bald jack rabbit's live?
-sadly

Bald jack rabbit by Politicaljunkie2 February 2, 2021

Straddle jack 

Two men riding on a single motorcycle

“Hey Jeff, I really need a ride!”

“You can ride with me but I only have my motorcycle so we’ll have to straddle jack”
“Perfect! I love good straddle jack.”

Straddle jack by Ilovevds May 27, 2021