black eye

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A bruised discoloration of the flesh surrounding the eye, often resulting from a blow.
• noun A blow to one's reputation; a source of dishonor.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun An eye which has been bruised showing noticeable hematoma, especially after receiving a blow.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a swollen bruise caused by a blow to the eye
• noun an unfortunate happening that hinders or impedes; something that is thwarting or frustrating
• noun a bad reputation