know shit from Shinola

Note: This page may contain content that is offensive or inappropriate for some readers.

not know shit from Shinola

rude 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?
See also: know, not, Shinola, shit
Farlex Dictionary of Idioms.

know shit from Shinola

 and 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.
See also: know, Shinola, shit
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

know shit from Shinola

and 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.
See also: know, Shinola, shit
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • Shinola