know shit from Shinola

Verb

Meaning

know shit from Shinola (third-person singular simple present knows shit from Shinola, present participle knowing shit from Shinola, simple past knew shit from Shinola, past participle known shit from Shinola)

(stative, US, vulgar, chiefly in the negative) To have the most basic level of intelligence or common sense.

Source: en.wiktionary.org

Synonyms

know what one is about know one's ass from a hole in the ground

Close letter words and terms

know one's way about know one's way around know only too well know someone know someone by name know someone from a can of paint