give (someone) what's coming (to him or her)

give (someone) what's coming (to him or her)

To give someone that which he or she deserves, which can be a reward or retribution, depending on the situation. Don't worry about those stool pigeons, we'll be sure to give them what's coming. After all her hard work, I really hope the company finally gives Mary what's coming to her.
See also: coming, give