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2. jack squat
absolutely nothing
I didn't win jack squat when i went to Las Vegas last weekend.
by Natalie Sep 20, 2003 add a video
1. jack squat
Nothing, zero, zilch, nada, shit all. Possibly a short, fat man.
"I came out of that deal with jack squat."
"Here comes that prick, Jack Squat."
by chico del nacho Sep 19, 2003 add a video
3. Jack Squat
Another way to say Jack Shit.
there are users on this website who do not know jack squat about writing a good definition.
by Light Joker May 21, 2004 add a video
4. jack squat
not anything, absolutely nothing
I know jack squat about thermodynamics.
by piewire Sep 19, 2003 add a video
5. jack squat
lack of knowledge
You don't know Jack Squat about anything
by Hoboken Johnny Sep 20, 2003 add a video
6. Jack Squat
Something you don't know.
I don't know jack squats about music
7. jack squat
the act of not getting anything
I totally thought I was going to score, but I didn't get jack squat
by tyler Sep 19, 2003 add a video
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