black eye
1. Literal discoloration in the area surrounding the eye(s) due to an accumulation of blood. He had a pretty bad black eye after the bully punched him in the face. I had two black eyes for several days after my car accident.
2. By extension, a blemish to one's reputation. That food critic's negative review really gave a black eye to my restaurant.
a black ˈeye
an area of dark skin (= a bruise) around the eye caused by an accident, somebody hitting you, etc: How did you get that black eye?