be done for

idiomPart ofdone

be done for — idiom

1. to be in a situation where failure, defeat, or death is almost certain.

1.idiom
Definition

to be in a situation where failure, defeat, or death is almost certain.

Example

If the boat springs a leak this far from shore, we are done for.

After the boss saw the mistake in the report, Chidi knew he was done for.