Dingus
The word "dingus" came about through the popular movie, "The Maltese Falcon" where the star, Humphrey Bogart, refers to the Maltese falcon as "The Dingus". So, the definition of the word "dingus" is a way of referring to any noun (including people) in an offhand manner.
--Who did you go to the movies with? Eh, some dingus.

--Could you please pass the dingus?