gay handbag 

A person who hangs around someone simply because they are gay

I see Steve is with john again, he is such a gay handbag,

gay handbag by mitch00uk April 6, 2015

gay as a handbag full of rainbows 

Someone that far too heavily advertises the fact they are homosexual. Overly flamboyant.

"I love that guy. He's as gay as a handbag full of rainbows."

gay as a handbag full of rainbows by Alex_2525 June 30, 2006