Shower Jack 

A little boy that finds out the wonders of masturbation while in the shower. When he gets older he is constantly in the shower for 2 hours at a time.

Jack : why does he take so long in the shower ?

Joe : because he is such a shower jack

Shower Jack by Hsbevebnsjchdbsnelfjbd d August 28, 2013

cracker jack'd 

To be robbed by a Caucasia.

Damn man, I just got Cracker Jack'd

cracker jack'd by Me not You. July 25, 2014

Meme jack 

When one person steals another person's meme without a customary like or upvote

Don't you hate when someone meme jacks you and they get more likes?

Meme jack by DelusionsOfAdequacy April 19, 2018

anti-jack

Firmly gripping your penis and wedging it between the claw of a hammer, causing an inconceivable amount of pain.

The opposite of ejaculation.

fuck man i'm so bummed i'm gonna go home and anti-jack

anti-jack by XyferGaming October 4, 2017

Power Jack 

When a person uses two hands to get a male to climax as fast as possible.

Sally has the best hands for a Power Jack. Last night her delicate and smooth hands made me cum so fast I couldn't even make it a whole minute.

Power Jack by Damon K. September 28, 2021

National Jack Day 

National jack day is every Tuesday of every month. It is the day you hang out with your Jack.

Daughter: “Oh my gosh mom it’s national jack day!”

Mom: “I’m so happy for you! Have fun hanging out with jack!”

National Jack Day by Jennyfromtheblocksss October 5, 2021

taj and jack 

Jack Lynch and Taj Gill make a sexy duo... Both of them like fucking but can't find girls

"I'm bouta fuck Taj and Jack wanna join?"

taj and jack by iTajYT November 28, 2021