dofodgy
A word used to call something when you don't know or can't think of what to call it.
Donna to clerk at store: I need to a new dofodgy for my car.
Clerk: A what?
Donna: That rubber thing that tones on my wiper…a dofodgy.
Clerk: A what?
Donna: That rubber thing that tones on my wiper…a dofodgy.