Definitions by Gooberhole

Do-dah 

Substitution word for a person, place or thing whose actual name escapes you at the moment.

Sandra: "Hand me the do-dah."
Mike: "Do you mean the potato peeler?"

Mike: "Are we cooking dinner tonight?"
Sandra: "No, do-dah is."

Do-dah by Gooberhole March 30, 2015