Yo momma/your old man

Posted by ESC January 12, 2000In reply to 20's phrase posted by Bob on January 11, 2000

Whats the origin and meaning of the phrase, "so's your old man" or "and so's your old man"

When it's insults about female relatives (Yo momma.) it is called "playing the dozens." But I couldn't find any reference to the origin of "so's your old man." I'll keep looking.