whoshamacallit

Best definition
whoshamacallit
Stand-in word used when you can’t think of the right one. The “sha” is properly pronounced as in the French “Je”.
Make it go faster by turning that whoshamacallit.
whoshamacallit: define #2
whoshamacallit
word for when you don’t remember somebody’s name
I’ll never forget old whoshamacallit who lives in Brandenburg