jack fuck 

a complete and total dumb ass -- a mental and physical state occasionally caused by excessive alcohol or drug intake

The other night I got liquored up and barged into the ladies room like a jack fuck and took a piss in the corner.

jack fuck by Anonymous September 18, 2003

jack fuck 

Means he/she knows nothing at all. see also jack shit

He/She knows jack fuck

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 Fuck Ass (JFA) by joeplayz4keeps June 30, 2025

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"

fuck you jack by richard baggs June 5, 2014