gazookus

noun2

1. •
   (slang, old-fashioned) An unspecified item; a thingy or gadget.

   • After he uses Colgate's, no one can tell him that some kind of tooth "gazookus" will get him. He knows that if his teeth are clean they will be healthy. — 1927
2. •
   (slang, old-fashioned) The real thing, or genuine article; something authentic.

   • Now there are several things I would do if I were Editor, and if you will button your face and uncork your ears, Mister Editor, I will give you a load of the real 18-karat gazookus. — 1943