A conversation that is had when two or more involved parties are intoxicated. Often, one or more person(s) involved is (are) able to recall fragments of said conversation in the days that follow.
Person #1: Man, I can't believe you shave your balls with a razor.
Person #2: What? No I don't.
Person #1: Yeah. You told us last night that you do it after church every Sunday.
Person #3: Totally... during our drunkersation!
While our lifespan is the number of years we will live, our healthspan is the number of healthy years we will have and our sexspan is is the number of years we will continue to be healthy enough to continue having an active sex life.
A lighthearted reaction upon receiving disappointing news of some sort. Usually something that isn't a particularly a big deal, esp. when it primarily affects someone else - sort of a mild schadenfreude. Sometimes doubled or tripled, and possibly said in a sing-songy voice for added comedic effect to imitate a muted trumpet, which is how the meme originated.