This word comes from a group of kids from Taylor Michigan, founded in 2002. It has many meanings, from a dumb idiot to get the hell out of this wolrd u retard.
After much research into the origins of the molooly, scientists have discovered that it is a-sexual (a creature which impregnates itself). they discovered interesting evidence that the molooly lived close to the time of the dinosaurs, this was discovered in a fossil matching the egg-shaped profile of the molooly. They sujest it survived the death of the dinosaurs because it was most likely in hibernation(sleeping).
Man, you slept through the whole day,...like that thing on animal planet.
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.