so's your old lady(redirected from So's your old lady!)
so's your old lady
dated A childish, petty response to an insult, essentially meaning "same to you." In this phrase, "old lady" refers to one's mother (in other contexts it often refers to one's wife or girlfriend). A: "You're a stupid monkey brain!" B: "Oh yeah? Well, so's your old lady!"
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.