Someone who is only attracted to celebrities that in the most case far too old and already taken and don't know your existstance. A Celesexual is determined that he/she is in a serious relationship with these celebrities.
Girl: I'm marrying Justin Bieber soon!
Boy: no you wont he has a girlfriend and don't know you exist!
Girl: One day I will...
Boy: wow your such a Celesexual all you do is fall in love with celebrities and no one else!
Girl: ....
Literally beastiality.... The Bronies who want to have sexual relations with My little Pony Characters. Creepy as hell, but it's a real sexuality according to the apparent 30-60 thousand clopsexuals.