The high-pitched sound made by certain, generally more effeminate, gay men when pronouncing the letter 'S'. It is similar to a lisp, with the added component of a whistle produced by blowing air through the front teeth.
John: Oh, sweety, that guy across the bar is absolutely fabulousssssss...
Jason: No kidding, but back off on that gay whistle; I heard he's only into hard-core butch guys.
Sarah: I really like John. I'm thinking of asking him out.
Susan: Girl, are you crazy? Didn't you hear his gay whistle?
Jason: No kidding, but back off on that gay whistle; I heard he's only into hard-core butch guys.
Sarah: I really like John. I'm thinking of asking him out.
Susan: Girl, are you crazy? Didn't you hear his gay whistle?
by WonderWorder April 22, 2011