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not know shit from Shinola
vulgar slang To be exceptionally naïve, unworldly, ignorant, or undiscerning. (Shinola is a brand of shoe polish, which is usually black or brown.) Why did you send a kid to be my partner on this case? He doesn't know shit from Shinola! You wouldn't know shit from Shinola, so what do you think you're gonna teach me about fixing a car?
1. slang Obviously; that is or was completely self-evident. "Shinola," the name of a brand of (usually black or brown) shoe polish, is used as a subsitute for the vulgar term "shit." A: "I think we need to clear that blockage out of the drain." B: "Yeah, no Shinola. Thanks for the tip."
2. slang Are you being serious? Wow, is that really true? A: "My aunt has a cabin we could use for the weekend." B: "No Shinola? That would be awesome!"
know shit from Shinolaand tell shit from Shinola
Fig. Inf. to know what's what; to be intelligent and aware. (Always in the negative. Shinola is a brand of shoe polish. A person who doesn't know shit from Shinola is very stupid.) Poor Tom doesn't know shit from Shinola. Fred can't tell shit from Shinola, and he's been made my boss. know someone as someone to know someone by a different name. I know her as Candy La Tour. She has been known as Mary Rogers since her marriage.
not know shit from Shinolabe very ignorant or innocent. US
Shinola is the proprietary name of a US brand of boot polish.
know shit from Shinolaand tell shit from Shinola (...ʃɑɪˈnolə)
tv. to know what’s what; to be intelligent and aware. (see also No Shinola!.) Poor Tom doesn’t know shit from Shinola.
tell shit from Shinolaverb
exclam. You are kidding!; No shit! (A play on the expression indicating that a stupid person doesn’t know shit from Shinola. Shinola is a brand of shoe polish.) So taxes are too high? No Shinola!
See also: no
not know shit from shinola
tv. to know what’s what; to be knowledgeable in the ways of the world. (see also No shinola! Usually objectionable.) That jerk doesn’t know shit from shinola! Don’t even ask him about it!