doofer

noun3

1. •
   (slang) An object whose name the speaker or writer cannot remember or does not know.

   • Right-ho. Who's going to work the doofer? Lady? Right-ho. — 1992
2. •
   (slang) The remote control for a television.
3. •
   (Australia, slang) A participant in a doof (“outdoor dance party held in remote bushland or on the outskirts of a city”).

   • In the early days you couldn't really distinguish between … the techno ravers in the warehouses and the bush doofers […] — 2015