Base Jacking

Masturbation performed exclusively at the base of ones penis.

Steph was base jacking her co-workers Craig and Jason that she developed carpal tunnel and had to file for workers comp.

by Brodie Staxxx July 6, 2019

Jack-slapped

Slapped so hard you forgot everything you know, I.e., you don't know Jack..Jack-slapped

Person 1: Hey what are you doing?
Person A: Messing with the police.
Person 1: You're going to get Jack-slapped

by Nepuuuu January 1, 2020

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?

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

by XyferGaming October 4, 2017

jacks willy

Absolutely massive, destroys anything it touches, beware it's property of lish

Have you seen jacks willy what a silly willy

by Tom Norbert June 2, 2017

jack sock

A sock used for the purposes of masturbation, often found hardened and flaking, stuffed down the side of the bed in a teenage boy's room. Also the unfortunate name of a US professional tennis player.

Not to be confused with jock sack, a Scotsman's ball bag.

"That guy's name is Jack Sock??!!"

by Jon Salat November 15, 2017

air-jacking

The motion made with one's own arm imitating a male masterbating to show a complete lack of interest or respect to someone talking.

I was standing behind my boss air-jacking while he was yelling at everyone in the meeting.

by Outlaw Redneck February 28, 2018