not know shit (about something)

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not know shit (about something)

rude slang To be completely clueless (about something); to know or understand nothing (about something). You don't know shit about how hard I work, so don't sit there and condescend to me about work ethic! It's becoming increasingly clear that our new governor doesn't know shit.
See also: know, not, shit
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
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