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 September 19, 2003

jack squat

absolutely nothing

I didn't win jack squat when i went to Las Vegas last weekend.

by Natalie September 20, 2003

jack squat

not anything, absolutely nothing

I know jack squat about thermodynamics.

by piewire September 19, 2003

jack squat

lack of knowledge

You don't know Jack Squat about anything

by Hoboken Johnny September 20, 2003

jack squat

Nothing. Identical in meaning to jack shit - it's just an equivalent for people who are scared of profanities.

Your car's worth jack squat.

by super ultra hyper bishi bashi champ September 21, 2003

jack squat

A stronger variation on the slang usage of "squat", meaning "absolutely nothing".

The origin of the phrase is unknown, but most likely it shares roots with the negatory slang usage of "jack".

"I get paid jack squat at my job."

by _Fabricated_ September 20, 2003

jack squat

a polite way to say 'jack shit' meaning
nothing of value or worth

Front You some weed?
Dude, You ain't got jack squat to pay me with. Ya moochie assed cunt.

by Mr.Skullhead September 20, 2003