1: A person who insists on following outdated and overrated traditions relating to sexual preferences.
2: A kind of line that is important to know for high school geometry.
Guy 1: I'm totally straight dude.
Guy 2: Wow, what a lamer.
Guy 3: *whistles*
Guy 2: Walks away holding hands with Guy 3.
(They've known each other for a while. They did not just meet.)