There are several synonyms for the phrase "gave one a black eye." Some of these synonyms include "bruised one's eye," "hit one in the eye," "punched one in the eye," "struck one in the eye," and "damaged one's eye." These phrases all essentially convey the same meaning, namely that someone has been physically injured around or in the eye area. Although these phrases may differ slightly in their connotations, they all convey a level of violence or aggression towards another person. Overall, it's important to recognize that physical violence is never acceptable and that there are no excuses for resorting to physical aggression towards others.