thingumy

Noun

thingummy (plural thingummies)

1. Synonym of thingy: something one cannot remember the name of, or is unable to or does not care to specify precisely.

   Synonyms:

   thingy

2. Synonym of whatshisname: someone one cannot remember the name of.
   • Once, in his first term, Cartwright had been bold enough to ask him why he was so clever, […]
     ‘It’s memory, Cartwright, old dear. Memory, the mother of the Muses . . . at least that’s what thingummy said.’
     ‘Who?’
     ‘You know, what’s his name, Greek poet chap. Wrote the Theogony . . . what was he...1991 September, Stephen Fry, chapter 1, in The Liar, London: Heinemann, →ISBN, section I, pages 7–8

   Synonyms:

   whatshisname