The post was deleted before I could reply but I guess here. No, most Slavic languages do not have a femme/masc word for nonbinary based on gender. The word used in the meme is polish, but there isn’t a gendered version. Read a book
Most Slavic languages have a femme, masc, and neutral way of saying words. The words that would be used to describe enbys is neutral. -a Slavic girly. The only languages I believe with either or are French, Spanish, and Italian.