Let somebody stew in their own juice
Definition 1 of 1
Pro Tip 1/3Consequence Focus
Underscores the result of a person's actions rather than emotional distress. 
When he lost the money, they let him stew in his own juice.
Pro Tip 2/3Not Literal
This phrase is figurative and not about cooking or physical activity. 
After lying, she had to stew in her own juice, realizing no one would bail her out.
Pro Tip 3/3Personal Responsibility
It highlights the importance of dealing with one's own mistakes or failures. 
He didn't meet the deadline, now he's stewing in his own juice with the boss.