jack shit

the feces of a jack, i.e. a jackass. By extension, anything worthless or trivial.

You don't know jack shit.

by bumpie July 26, 2008

Not worth jack shit

Not worth the trouble or the value

That car's not worth jack shit

by iamamanufan January 12, 2011

Square Root of Jack Shit

Absolutely Nothing. See Square Root of Fuck-All , Square Root of Sweet Fuck All and fuck-all squared.

"He knows absolutely the square root of jack shit about food and cooking."
- James May, Former presenter of Top Gear UK, on Richard Hammond.

by [e-mail] April 30, 2016

fuck all jack shit

When there is nothing to care about nothing, a combination of Fuck All and Jack Shit to mean that nobody cares about nothing

John: We literally have nothing to eat and we have no money to eat out.
James: Well fuck all jack shit we'll just use our credit cards to buy food

by coeryxtynt February 9, 2023

you dont know jack shit

you dont know jack shit a word meaning you know nothing or are too stupid to figure it out

dude whats an electric car

man you dont know jack shit you are too stupid to know what an electric car is unless you get ran over by one

by littlejimmie January 24, 2019

Jack Shit Off

To copy something

They love to jack shit off to make their project look better!

by Felix1999 September 2, 2022

Jack shits

The defecation following the consumption of excessive amounts of Jack Daniel’s whiskey

I drank too many jack and cokes now I got the jack shits

by ObtuseGoose April 9, 2023