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1.
(adj.)Something that is gay and lesbian at the same time.
(n.) A romantic couple where the guy acts really gay and the girl acts like a lesbian.
yo, look at Abel I thought he was gay, but he's hooked up with jennifer. I thought jennifer was a lesbian....huh they make such a Gaysbian couple! Let's just call them the Gaysbians yo.
by my shells January 25, 2006
 
2.
A gay guy, usually young and twink-like, that can often be mistaken as a lesbian.
We often think of lesbians and guys being very different looks, stereotypically. But, every once in a while, you have that hybrid that you must give a second look. Is it a cute twink or a butch dyke? I can't tell...it's a gaysbian.
by Edinocca December 10, 2010
 
3.
a mixed word between gay and lesbian
"Sorry Sally, my dad wont let me come over to your house because i got in trouble"
"thats SO gaybian"
by yewmakemegouhh July 07, 2005