A fusion of Radical and Cool. Not to be used unless somthing is of the upmost awesomeness, when neither rad nor cool can describe such (insert noun here) to its fullest sense. Nothing can be sorta Radicool, the only word that shall be used before Radicool is Totally. The word shall always be respected and used properly. If used improperly, you have permission to roundhouse the violator. 1 kick per violation.
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.