the most hideous sweater you have ever seen, sometimes referred to as "shop rag", they must be in-expensive as people seem to purchase more than one. The material must also be quite thin as holes are common.
Wow, coolbrown striped sweater, did you get that at a thrift store
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.