get the best of (someone or something)

get the best of (someone or something)

To overwhelm, take control, or gain an advantage over someone or something. I never intend to be mean to Helena, but my nastiness gets the best of me whenever I'm around her. Don't let him get the best of you—just ignore him! We had the best of this game until the other team tied the score.
See also: get, of

get/have the ˈbest of something

gain more advantage from something than somebody else: I thought you had the best of that discussion.
See also: get, have, of, something