jack one in

To cock or load a round of ammunition into the chamber of a weapon.

My gun was unloaded, i forgot to jack one in.

by MarkXIX November 16, 2007

Jack

The most flexible guy you will ever fucking meet, you don't know why but he is quite literally a pretzel of a man. He is a human anonymity when it comes to his spaghetti limbs

How the fuck does Jack bend like that? Holy fuck!

by Bananason July 15, 2022

Jack

The weirdest of them all

JAck suck ass

by Quesar June 14, 2022

Jack to the future

Accidentally masturbating to a picture of your grandmother

I don't want to be a porn star because I don't want my grand kids to jack to the future.

by Bitter Soup November 18, 2018

jack church

A cool guy that lives in the middle of Antarctica, travelling from igloo to igloo every day, travelling with the penguins and polarbears. If you try to look at him while in the snow, it is impossible. He is pale white with light coloured hair, basically an albino black man (Also white).

Hey, jack church.

Hey!

Lets play in the snow!

OK!

Whoa! Where the hell did you go jack church?!?

Im ovvveeeerrrrr hhhheeeeerrrrrreeeeeee!!!

by DatUnSmartKid May 30, 2018

Jack

Great guy, huge bush

“Yo is that jack”- Davis

“The guy with the huge bush?”- Clay
“Yeah him. He’s a great guy!”

by FuckinJacksMom November 23, 2021

Jack

A male that walks around and can be noticed by his large cube head. He also known to be a predator and get touchy in a tight space.

That guys got a massive head.
He's such a Jack

by Dogra April 21, 2022