know someone from Adam

Verb

know someone from Adam (third-person singular simple present knows someone from Adam, present participle knowing someone from Adam, simple past knew someone from Adam, past participle known someone from Adam)

1. (idiomatic) To know or recognize someone at all.
   • 'Who is she, anyway? Interfering . . . pestering . . . you must know.' 'I don't know her from Adam,' the Boy said.1938, Graham Greene, Brighton Rock
   • "Well," he said, "do you know me from Adam?"1963, Audrey Lillian Barker, The joy-ride and after

   Synonyms:

   know from a bar of soap, know someone from Adam's off ox, know someone from Eve, know someone from a can of paint, know someone from a hole in the ground, know someone from a hole in the wall, know someone from the man in the moon