A Jack 

A word used to describe someone who lied and or lies

That's fake, stop being A Jack

A Jack by Mario's_Kingdom November 26, 2018

crack a jack

to take a dump, have a shit, to defecate.

"I need to crack a jack"

crack a jack by sparky.exe September 6, 2006

A Jack Mclean

A Jack McLean is where you break a brand new toy by accident, moments after receiving it.

Kyle! You haven't done a Jack Mclean on your brand new toy have you!?

A Jack Mclean by TMYVP June 20, 2019

Pullin' a Jack 

When a person ditches a class, while there is a major test.

There are 5 tests tomorrow at school, I am going to be pullin' a Jack.

Pullin' a Jack by Aziz August 8, 2016

crack-a-jack 

The act of drawing a smiley face on your partners ass with the mouth around the anus, thus meaning then when you take them up it, you recieve head and anal simultaneously.

My wife's crack-a-jack looks like the kool-aid man.

crack-a-jack by Iainn August 28, 2005

Pull a Jack 

Take a Bite into some roast beef lookin pussy

Dude You Just Pull A Jack

I know It was the worst but it was worth it

Pull a Jack by blake623smith May 14, 2010

A Jack 

Cheats on women and lies to every single one of them. Pretty much lives up to straight J guy names being assholes!

"Man don't be A Jack!! They suck!!!"

A Jack by HeyDanisaurus May 31, 2020