Country Dictionary

masturbating while taking a shit

I just took a jack shit

when you are taking a shit and getting a handjob at the same time

what'd you do last night?
Jack shit....
Oh that must've sucked...
No... no sucking... just a handjob

A poker hand, especially in Texas Hold 'Em, that includes a jack and an unsuited card under 10.

I'm gonna raise you and go all-in even though I have jack shit. Or, Aw, you're bluffin' me, I bet you have jack shit so I call.

A term to describe someone who has or will inevetible do something stupid

Man, you are such a jack shit!

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

You don't know jack shit.

Not worth the trouble or the value

That car's not worth 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.