Posted by ESC on November 20, 2005
In Reply to: I wouldn't know you from a bar of soap posted by Lynne on November 19, 2005
: Saying origin: 'I wouldn't know you from a bar of soap'
: Does anyone know the origins of this saying please.
I believe it is a variation of "Don't know you from Adam" or "from Adam's offox." See http://www.phrases.org.uk/bulletin_board/13/messages/1545.html