jack squat

not anything, absolutely nothing

I know jack squat about thermodynamics.

by piewire September 19, 2003

lighter jack

verb.

To take someone's lighter by unscrupulous means, usually by "unconciously" placing said lighter in one's pocket after lighting a cigarette, joint, etc.

Who lighter jacked me?

by Paul Rael September 30, 2011

Jack

a man who attracts asians

girl: *gasp!* "He's so handsome!"
boy: "hi, i'm a jack!"

by stumped bananas August 16, 2010

Jacking the beanstock

Beatin your meat

I wanted to masturbate so I started jacking the beanstock.

by gmhcubix August 25, 2016

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

Jack-Stalling

The process by which one masturbates while inside a bathroom stall or similar enclosure; jacking it within a stall.

_ Hey man! Did you hear about Sherman?

/ Nah, what happened?

_ Last weekend his room mates heard him in the bathroom jack-stalling it.

/ Damn, man, thats hilarious!

by TheSuperviza February 24, 2009

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