When a white woman has been with a black man she becomes tainted. This line is from the movie the Searchers . In the movie a girl gets kidnapped by Indians. The girls after being with the Indians for awhile, act different-like savages. John Wayne has the famous line, "You don't want her back know, She's been Comanched!"
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.