Meanings
present singular third person knows shit from Shinola · participle present knowing shit from Shinola · past knew shit from Shinola · participle past known shit from Shinola
- USstativevulgarTo have the most basic level of intelligence or common sense.
"I'd like to comment on your May editorial, "Who's In Charge Here?" You may be a fair journalist, but you don't know shit from Shinola when it comes to karate."
1974 August, S. George Pesare, “You Don't Know From Shoe Polish!”, in Black Belt Magazine, issue, pg. 104 more examples
"He don't know shit from Shinola. (laughter) you know that? Always wondered how the Shinola people felt about that (laughter) Hi, I'm the new man from Shinola. (laughter) Hi, how are ya? Nice to see ya? (laughter) How are ya? (laughter)"
30 October 1973, George Carlin, "Filthy Words", WBAI Radio, quoted in FCC Reports, Second Series, Volume 56, October 31, 1975 to January 16, 1976, page 101"Laura looked at him coolly, levelly. 'Frank,' she said softly, 'the information simply isn't there. Therefore the control can't be there either. So don't try to con me. You don't know shit from Shinola!'"
1995, Michael Ward, Why your corporate culture change isn't working-- and what to do about it, page 102"See what I mean Shiela? You've got the logical form, the semantics, and all that, but you don't know shit from Shinola, and with your stupid heuristic learner you can't learn it unless somebody with authority tells you."
1996, Kenneth M. Ford, Zenon W. Pylyshyn, The robot's dilemma revisited: the frame problem in artificial intelligence, page 28"Nowadays they've got all those captains and majors and lieutenants strutting around like it's May Day in Moscow, and they don't know shit from Shinola about how to run a ladies' jail."
2008, Wally Lamb, The Hour I First Believed, Ch.1, at p.27Synonyms: know one's ass from a hole in the ground
Synonyms & antonyms
verbTo have the most basic level of intelligence or common sense.
Origin
A colloquialism which dates back to the early 1940s in the United States, sometimes ended with "that's why your shoes don't shine". Shinola was a popular brand of shoe polish.
Full word history & related roots →Cite this entry
know shit from Shinola. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/know%20shit%20from%20Shinola
“know shit from Shinola.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/know%20shit%20from%20Shinola. Accessed November 5, 2026.
WatkinsX Dictionary, s.v. “know shit from Shinola,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/know%20shit%20from%20Shinola.
Source: know shit from Shinola on Wiktionary, CC BY-SA 4.0.