Wendy means "white-skinned."
Wendy is a pet form of Gwendolyn, a Welsh name meaning "fair haired".
The name Wendy has no meaning in any language. It was made up in 1904 by the writer J.M. Barrie (who wrote "Peter Pan"). But if you're asking how to say "Wendy" in Hawaiian, it's Weneki.
There is no mention of the name Wendy ever meaning gay. Wendy may have been a slang term used regionally to mean someone who was homosexual, however it does not have widespread recongnition.
Wendy Lanuza's birth name is Wendy Marissa Lanuza.
Wendy Sims's birth name is Wendy Crawford.
Wendy Pini's birth name is Wendy Fletcher.
Wendy Waldman's birth name is Wendy Steiner.
Wendy Westerfield's birth name is Wendy Moreira.
Wendy Dio's birth name is Wendy Galaxiola.
Wendy Braun's birth name is Braun, Wendy Allison.
Wendy Crouse's birth name is Wendy Carolyn Crouse.
Wendy Kesselman's birth name is Wendy Ann Kesselman.