Enbyphobia means in slang: Trans-medicalists and cisgendered persons think Nonbinary people have less value than they do. They think they are 14 year old girls looking for attention. However, it is not common to stereotype whole groups. Instead, they believe that nonbinary people want to feel comfortable and happy regardless of their gender. (in Slang Dictionary, added by Virilocal)

What else does Enbyphobia mean?

Prejudice or dislike of nonbinary individuals. (in Slang Dictionary, added by Claudio Montoro)