A word that has no definition. You can't explain what it is, or how to draw it. Often used to weird people out.
It is also used when no other word/swear will do justice.
Donna: EW! I was opening a bag of coleslaw and there was a REALHUMAN EAR inside! I even tasted it to make sure!
Jason: What the FROODLE?!
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.