hit (someone) where it hurts
idiomPart ofhurt
hit (someone) where it hurts — idiom
1. to affect someone in the most sensitive or vulnerable area, often their finances
1.idiom
Definition
to affect someone in the most sensitive or vulnerable area, often their finances or emotions.
Example
The new tax policy hit small business owners right where it hurts — their profits.
If you want to get back at him, hit him where it hurts and stop talking to him.