Term used by law enforcement to describe an old police officer who is set in his ways, as when salt gets old it becomes crusty and hardens together.
SGT. Diaz explained to the rookie to not take it personal that Officer Klondike never asked him for assistance, as everyone knew that Klondike was an Old Salt that wanted nothing to do with rookies.
by Sacramento Solon December 24, 2018
Todd's dad Burnee just got back from a weekend sea tour of the Bermudas. He left a crusty ring of orange crumbs on Todd's toilet seat to say howdy. That's the old salt all right.
by SpaceQueen222 December 23, 2018