A hot girl who is really attractive, all the other girls are jealous and usually commit suicide over this hottie. Sacheen is also a lake located in the US.
Thats so nice: Thats Sacheen
OMG SHESSO HOT: SHES SO SACHEEN
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.