Epic Response! J.K. Rowling Claps Back at Fan Who Disses Serena Williams Following Wimbledon Win

Don’t mess with Harry Potter’s mama.

Acclaimed author, J.K Rowling gave the most epic response to someone on Twitter who dissed Serena Williams‘ physical appearance when the author was congratulating the athlete on winning the women’s Wimbledon title for the sixth time.

It all started after Serena posted the following message on Instagram:

J.K then took to Twitter to celebrate Serena’s victory:

And then someone said Serena is only successful because she looks like a man. J.K. wasn’t having it!

.@diegtristan8 “she is built like a man”. Yeah, my husband looks just like this in a dress. You’re an idiot. pic.twitter.com/BCvT10MYkI

— J.K. Rowling (@jk_rowling) July 11, 2015

Hilarious!