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!

Common Names:

Name	Pronounced	Usage
Leonie	LE-o-nee (German), lay-o-NEE (Dutch)	German, Dutch
FaolÁN	FWAY-lahn	Irish
Oluwasegun	-	Western African, Yoruba
Beverly	BEV-ər-lee	English
Eldad	EL-dad (English)	Biblical
Cyndi	SIN-dee	English