When you shit in the woods while camping and you run out of toilet paper. While exercising your last shit ticket you get some shit on your hand and need to get it off by shaking and flicking vigorously.
My hand was still covered with shit flicks as I tried my best to wipe
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.