SO-AND-SO

{n.}, {informal} A person of a special kind and usually of a very bad kind. - This word is used in place of a more unacceptable word or swear word. * /I wish that old so-and-so who thinks digging is easy work was right here digging now./ * /He called me a dirty so-and-so and I hit him in the mouth./ - Sometimes used in a joking way. * /Peter met his friend John and said, "Hello there, you old so-and-so."/