be done for(redirected from be done for doing something)
be done for
1. To be in jeopardy or doomed. "Done for" is a set phrase. If the boss finds out that I was the one who messed up that report, I'm done for! Now that mom knows about it, our scheme is done for.
2. To be about to break or stop working, as of a machine. The blender stopped working again this morning, so I really think it's done for.
be done forINFORMAL
COMMON If someone or someone is done for, they are certain to fail or suffer a bad experience. As soon as the police find the emails, I'm done for. I knew my diet was done for when they put up a McDonalds right next to the dorm.