A person who would be happy with any kind of person. Female, Male, Android, Non-gendered alien species etc.
Originated on the BBC series Doctor Who in reference to the character of Captain Jack Harkness.
Well by his time your species has spread across half the galaxy.
So Many species, so little time.
~The Ninth Doctor to Rose Tyler
Hey did I see Chris go home with Shelia AND James last night?
He's a Fifty First Century Guy.