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
Zibiah	-	Biblical
Payton	PAY-tən	English (Modern)
Michele (2)	mi-SHEL	English
Zigor	-	Basque
Yenny	-	Spanish (Latin American)
Hosanna	ho-ZAN-ə (English)	Biblical