Someone who is both a gay man and a lesbian! Yes this is a valid identity, there could be many reasons someone identifies as this, one of which is mentioned below
Person 1: Hey you know how I'm genderfluid and my sexuality changes depending on my gender (a form of abrosexual)
Person 2: Yeah?
Person 1: Well, I've realized that whenever I'm a man I only feel attraction to men and never women, but when I'm a woman I only feel attraction to women and never men, making me gay when I'm a man but lesbian when I'm a woman. So! I decided to use the label gaybian to explain my experience :)
Person 2: Woah that's so cool!
When a female wants to be in a relationship with another female, however they both want to cross-dress as males. Therefore making them lesbians who want to be gay men, or gaybians.
So my friend decided today that she wanted to be a gaybian. I don't understand it either, but more power to her.
A generic term used to describe homosexuals of either sex, especially if the person under considerations' gender is somewhat hazey. Obviously a simple merge of gay and lesbian, Coined by the Rt.Hon Sir Toby
Look at that gaybian whipping that ginger kid's ass at the bar!