WhipBack, also known as "WhackBack", is a pain-inducing game played by teens and young adults who use leather belts to create self-inflicted welts on their backs.
Originating from the idea of ordering the most obnoxious drink at the bar, whipwacker can be likened to an obnoxious person or group - specifically used for bachelorette parties in Nashville.
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.