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jack fuck 

Means he/she knows nothing at all. see also jack shit
jack fuck by Ian Naylor December 28, 2005

jack fuck 

The art of titty fucking. Fucking a girls "jacks".
So remember that chick I took home Friday? Anyways, she ended up letting me jack fuck her that night...
jack fuck by Rosco Pico-train July 11, 2006

jack fuck faggot

One who cuts you off while driving.
That jack fuck faggot never used a turn signal!
jack fuck faggot by BG924 December 21, 2007

Jack Fuck Ass (JFA)

When your friend is being a little fucker and jackass at the same exact time.
Hey Nik, put down the cream eggs and beef jerky and stop being a Jack Fuck Ass (JFA)

jack diddley fuck

To do nothing. The word fuck at the end makes it worse than just doing jack diddley.
All my coworkers do all day is jack diddley fuck and I always have to clean up after the lazy bastards.
jack diddley fuck by jimmybomm April 21, 2022

fuck you jack 

when jack is being a cunt, this phrase is very useful.
Jack: " you're a waste of fucking space, John."
John: " Fuck you Jack"
More from Urban Dictionary
The number of years you are still sexually active
While our lifespan is the number of years we will live, our healthspan is the number of healthy years we will have and our sexspan is is the number of years we will continue to be healthy enough to continue having an active sex life.
sexspan by Dr Kat April 21, 2022
Word of the Day on October 28, 2026
A lighthearted reaction upon receiving disappointing news of some sort. Usually something that isn't a particularly a big deal, esp. when it primarily affects someone else - sort of a mild schadenfreude. Sometimes doubled or tripled, and possibly said in a sing-songy voice for added comedic effect to imitate a muted trumpet, which is how the meme originated.
You didn't get any napkins with your takeout pork fried rice? Womp womp.
womp by 175623226 November 3, 2011
Word of the Day on October 27, 2026
When your wife’s boyfriend let you sleep past 8pm 😎😎
Wife’s boyfriend: You have 5 more minutes
Me: Poggers!
Poggers by Just_Charles April 14, 2020
Word of the Day on October 26, 2026

Oblication 

A vacation, feeling more like an obligation, that involves visiting or staying with family.
So Joe where are you taking the kids for spring break vacation? We are going on an oblication to Boca to visit my mother-in-law.
Oblication by kimmerr May 5, 2011
Word of the Day on October 25, 2026
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