doo-dad

noun
  1. 1

    A thing (used in a vague way to refer to something whose name one cannot recall); especially an unspecified gadget, device, or part.

    โ€œMy mom has a clever doodad for peeling oranges.โ€

Synonyms

Source: https://en.wiktionary.org/wiki/doo-dad, https://en.wiktionary.org/wiki/doodad