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
Grey	GRAY	English (Rare)
Shazi	-	Arabic
Jorge	HOR-khe (Spanish), ZHAWR-zhə (Portuguese)	Spanish, Portuguese
Gordian	-	History
Anass	-	Arabic
Antonios	-	Greek