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
Aleksandre	-	Georgian
JustÝNa	-	Czech
Madoline	-	English (Rare)
Sanjaya	-	Hinduism
Saturn	SA-tərn (English)	Roman Mythology (Anglicized)
Seetha	-	Tamil