adjective and noun: an homosexual man who is originally and/or ethnically from an Asiancountry. This term is mainly used in a jokey, not offensive way, especially by gay men.
-Tom is not attractive to Caucasians like himself, he's definitely into gaysians.
A gaysian is a slang term for a gay Asian. They have a slang term because in most Asian countries being gay is looked down upon or even considered a crime, meaning they are much rarer then gay people of other nationalities.
Dylan : My type is Gaysians
Arlo : No one cares that you are gay