So’s your old man!
so's your old man
dated A childish, petty response to an insult, essentially meaning "same to you." "Old man" refers to one's father. A: "You're a stupid monkey brain!" B: "Oh yeah? Well, so's your old man!"
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
So’s your old man!
exclam. The same to you!; Drop dead! (Indicates basic disagreement or hostility.) BILL: You’re acting like an idiot! TOM: So’s your old man! I don’t know what you said, but so’s your old man!
See also: old
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.