Being happy. Not homosexual.
Matt: Hey, Dave. You're in a good mood.
Dave: I'm always gay.
Matt: wtf?! So you want to suck boy dick?
Dave: Nah, mate. Gay meaning jolly. I'm not a sick homosexual pedophile motherfucker.
Matt: Oh, phew.
A person with excitement;
An excited person.
Person 1: I'm so gay to see you.
Person 2: What?
Person 1: I'm gay
Person 2: Why you didn't tell me this whole time?
*make out*