Xenosexuality is a sexuality in which humans will be sexually or romantically attracted to Alien races, such as species that are from beyond the Solar System, this differs from Zoophilia or Bestiality, as in, both the Human and the Alien both consent and have the ability to consent.
Someone that is sexually attracted to everything they see.You can say it's a fetish for everything.The first known case was of a woman in 1981 in the U.S.A.though it could've been invented thousands of years ago.