What is Gayest?
1.
1. The most happy, attractive and joyous among others
2. The most high in a gay-scale, concerning behaviours and/or appearances that make one think that someone or something is homosexual or stupid.
1. He's nice, always smiling and never gets upset, probably the gayest person I have ever met.
2. I've seen men kissing each other, I've seen guys wearing pink pants, but your heart-shaped tattoo on your buttock is the gayest thing I've ever seen, John!
See
2.
Being
Dude... I saw two guys kissing once, and this is the gayest thing I've ever seen.
3.
the superlative of gay, the most stupid thing ever
"That is the gayest thing you've ever said, gay, gay, gay."