not mean jack shit

(redirected from do not mean jack shit)

not mean jack shit

rude slang Not having any meaning or value whatsoever. Yeah, well, Dad's promised us stuff before and not followed through. His promises don't mean jack shit. I finished my paper, but it won't mean jack shit if I can't hand it in because this isn't printer working!
See also: jack, mean, not, shit
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
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