The best fuckin dance in the entire planet, because it was invented by Grandmaster Serj Tankian.
"Bow down before the King while he does his Serj Dance, and if you don't bow i'll light your mommy's saggy tits on fire, and make you put out the flames with your tongue you bitch," said Daron Malakian. Everyone learn the Serj Dance.
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.