This post is slightly NSFW.

“Attention assholes: don’t sexually harass a girl when she can easily find you on Facebook and send your mom proof of your perpetuation of rape culture. Moral of the day? Don’t mess with me,” says one Tumblr blogger who took action against a guy who sent her an unwanted photo of his junk.

According to BuzzFeed, the woman met the guy on a dating app, Let’s Date, created by a co-founder of the alternative site Suicide Girls.

Short version: Guy sends unwanted photo of his wiener. Girl doesn’t appreciate it. The two exchange non-pleasantries. Girl gets fed up, finds the guy on Facebook, and forwards the photo to his mother.

“Oh, I sent it. And I expressed to her my extreme worry over his treatment of women. Feels good, bro,” says our blogger.

Here’s the cringeworthy long version, as told via texts:

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Ouch. Lesson learned, I assume.