Internetsexual is a attraction to people online, for example on social media's. People that are Internetsexual can have long distance relationships. There is a big chance that if you meet that person in real life youre just not attracted to them anymore.
Other sexualities/genders
Internetsexual isn't connected to any gender or other sexuality, you can be heterosexual or lesbian ect. it's just an extra term to identify yourself.