Harry Potter author J.K. Rowling wrapped a week of battling trolls on Twitter — who were coming at her for her political beliefs — by implying that one of them has a small penis.

Warning: Some graphic language follows!

It all started when a Twitter user named Steve sent some hateful (and now deleted) messages to Rowling, who was in the midst of discussing the outcome of the U.K. election with followers on Friday morning:

Rowling, who has for some reason decided to give several of these trolls attention, came back with an amazing comment that we never would’ve expected out of her:

Steve replied with a weak response (in which he does not confirm or deny the existence of a small penis):

I reached out to Steve for official confirmation one way or the other but have not received a reply back:

Despite dealing with a lot of hate in recent days, Rowling was also reminded today that there are a lot of good people on Twitter:

J.K. Rowling: Slamming people on Twitter with jokes about their dicks since 2015.