know from Adam

not know somebody from Adam

to have never met someone and not know anything about them Why should I lend him money? I don't know him from Adam.

Name	Pronounced	Usage
Raine	RAYN	English (Rare)
Zan	-	Chinese
Smart	[smɑ:t]
Sawyer	['sɔ:jə]
Clotho	-	Greek Mythology (Latinized)
Jooseppi	YO:-sep-pee	Finnish