The word "osazing" is a mix between ostrich, and amazing. If you look up "ostriches" on a search engine, you will fine many facts about them. Amazing facts. Incredible facts. If you want to identify something as amazing, or incredible, the term you could use to stump your friends would be "osazing".
"Those new shoes are OSAZING!"
"Im having an osazing day!"
"I got an A+! That's osazing!"
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.