Idiom meaning, usage examples, facts

1. The boss is annoyed that we haven’t finished this report yet, but he really didn’t give us enough time to do it. He’s in the office pacing the floor, but I’m not going to work any faster. Let him stew in his own juices for a while.
2. You brought this bad situation on yourself, and no one is going to go out of his way to rescue you. You’ll just have to stew in your own juices

The expression suggests that one is “cooked” (stewed) in one’s own unpleasant but self-made situation.