jack shit

A term used to describe a lack of anything.

I ain't got jack shit to do. You don't have jack shit. I don't owe you jack shit!

by Carter SN October 2, 2005

jack shit

1) A term most commonly used for when people describe that they don't know, or have not done anything.

2) Probably the name of some guy somewhere, who i'd -really- like to meet.

Bob: "Bill, what do you know about egg products?"

Bill: "Heh, Jack shit, Bob."

by Meik April 2, 2003

jack shit

having absolutly nothing.

"I don't own jack shit!!!"

by PotatoChip May 30, 2003

jack shit

1. To have nothing.

2. In texas holdem hole cards consisting of jack two of anything.

Ie: I have jack shit for money.

I had to fold when I caught jack shit.

by phoenix 1997 July 12, 2010

Jack shit

This term is used to describe someone who thinks they know everything yet are often wrong. They will argue and lie to be right. Often get louder when challenged. It can also be said they have shit for brains. Often offer unnecessary information just to have something to say.

Said to someone who is the offender."You know Jack shit about everything shit for brains".

by Lordsmith October 26, 2010

Jack shit

When you is Jack and you pour hydrofluoric acid down your toilet to fix a clog and shit comes spraying back up in your face giving you acid burns that need medical attention.

Bob didn’t know jack shit could happen until he woke up the next day in the hospital smelling like burnt crap.

by Buttersrules February 4, 2021

jack shit

1. jack rabbit feces.

2. something plentiful and omnipresent, yet nonetheless worthless.

3. nothing, or nothingness
(see jack squat)

"This here jack shit ain't worth jack shit."

Incorrect: "He don't know jack shit."
Correct: "He knows jack shit."

by Joe Bone March 11, 2005