If we want to denote a symptom, a condition, an abnormal tendency, or an uncontrollable urge, then we use the suffix "-itis", (it's from Latin by way of Greek and refers to an inflammation) that we may attach to almost any word we like. Medical terms such as "gastritis" or "phlebitis" are commonplace and literal, and we can make figurative compounds such as "movieitis" or "chocolatitis", which you will find already exist if you Google them.
An avid movie goer or addict could be diagnosed as having a case of "movieitis"
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.