Jizzflicker is a guy who has his own website and writes blogs. He got the name because he was wanking off in the changing rooms and he flicks it to see how far it gets, just as he flicked it, his friends came in and it was sizzling on the light bulb, he was called jizzflicker since that day.
A man who flicks his dick as he ejaculates is a jizzflicker by name.
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.