Some Guy Makes Sexist Comments About Serena Williams After Her Wimbledon Win. J.K. Rowling Serves Up The Perfect Response.

Boom.

First things first: Congratulations are in order for Serena Williams, who, over the weekend, became a six-time Wimbledon champion.

Yet, despite her success, some people can't help but make ridiculous and irrelevant comments regarding Williams' body, instead of focusing on her game.

Game on.

JK Rowling, brilliant author and one powerful woman, responded to the sexist troll on Twitter with one smashing tweet.

Game, set, match. #TeamSerena