Shittymorph is a famous user on Reddit. He is widely known for his clever comments in which he will type out a paragraph - on the subject at hand - and poetically mislead/bamboozle the readers. It is said that he started doing this in nineteen ninety eight when the undertaker threw mankind off hell in a cell, and plummeted sixteen feet through an announcer's table.
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.