"KYS", an abbreviation of the phrase "Kill yourself", became popular primarily during the 2010s. It was often used in online spaces, such as Tumblr and Twitter, to avoid censorship and reporting from other users. While it quickly fell out of style as more people caught on to the meaning, it did see a slight resurgence within communities on apps such as TikTok.
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So most of you may not know this, but I violently kin Mae from "Night in the Woods", she is basically me in every possible way. I even started journaling in a similar manner to her to vent out my frustrations. I created a cat character (who was basically just a knockoff Mae lol) that I would use a lot in these doodles of damnation. And every time I used her, I would sign the page off as "KYS - Kitty/Kat Girl" (A fake band/stage name), and it kinda stuck. So I decided to draw her with a proper design