I ended up buying nail polish remover today to get the paint off the wall in the living room. It worked out pretty well, but I still had to paint over the whole wall to make sure it looked good. I'm fucking exhausted. Sucks that homophobia isn't that easy to get rid of, though.
Karofsky ended up helping me out. Kinda made me suspicious at first, but I feel bad about that now. He seemed freaked out by what happened.