There is no such word as "gayism".
The word "Gay" originally means "beautiful" according to all official English dictionaries.
The discrimination of homosexual people is called homophobia, not gayism.
No, that would not be possible as there is no such word as "gayism" so we do not know what you are talking about.
You turn Gay?
Johnism and ismism are both very popular in Japan. Johnism is all about john and ismism is all about the isms in the world. It includes isms like monotheism, catholisism, gayism, etc...