masturbating while taking a shit
I just took a jack shit
by TknucksSucks November 01, 2010

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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.
by stinkygordo October 07, 2008

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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
by jackshit March 04, 2008

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the feces of a jack, i.e. a jackass. By extension, anything worthless or trivial.
You don't know jack shit.
by bumpie January 22, 2006

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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

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A term to describe someone who has or will inevetible do something stupid
Man, you are such a jack shit!
by KROD December 13, 2004

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