gay

1. jovial or happy, good-spirited

2. a homosexual male or female

3. often used to describe something stupid or unfortunate. originating from homophobia. quite preferable among many teenage males in order to buff up their "masculinity"
1. "We'll have a gay old time."

2. "You DO know he's gay. Notice his homoerotic pornography collection."

3. "Man, these seats are gay. I can't even see what's going on!"

My friend thinks that boy over there is handsome, he's so gay.