Some research shows that 'gay' was used as a term of derision
before it was used to mean homosexual.
That said, I doubt very much that most of those using it know this.
(
LordManley twitter.com/LordManley,
Sat 30 Apr 2011, 22:22,
archived)
I thought it meant 'happy' before being used to mean homosexual.
(
maiden is filmed before a live studio audience,
Sat 30 Apr 2011, 22:27,
archived)