Here are some examples:
* "That proposal is a dead duck. The board won't approve it."
* "After the scandal, his political career is a dead duck."
The idiom implies that something is completely finished and has no hope of revival.
Here are some examples:
* "That proposal is a dead duck. The board won't approve it."
* "After the scandal, his political career is a dead duck."
The idiom implies that something is completely finished and has no hope of revival.