The Parselmouths are a Seattle based Wizard Rock group made up of Kristina Horner (see Fiveawesomegirls) and Brittany Vahlberg. They write and perform songs from the point of view of Slytherin girls who attend Hogwarts School of Witchcraft and Wizardry.
You can find their music and awesomeness at their myspace page. www (dot) myspace (dot) com (slash) TheParselmouths.
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.