a dead duck
idiomPart ofduck
a dead duck — idiom
1. A plan or idea that has already failed or will definitely fail, so it is not wor
1.idiom
Definition
A plan or idea that has already failed or will definitely fail, so it is not worth discussing.
Example
The new project was a dead duck after the budget was cut.
Is your proposal a dead duck, or can we still save it?