not know from Adam

not know someone from Adam

Fig. not to know someone by sight at all. I wouldn't recognize John if I saw him up close. I don't know him from Adam. What does she look like? I don't know her from Adam.

Common Names:

Name	Pronounced	Usage
Yardena	-	Hebrew
Lara	['lærə]
Ghayth	-	Arabic
Gaylord	['geiləd]
Ludvigs	-	Latvian
Stafford	STAF-ərd	English