Somebody who if it wasn't for social media would be completely ignored. Thrives in the company of other Uncle Knobheads. Nobody else is impressed.
I'll just have a look at social media to see what people are thinking about the latest from the Middle East. Oh fuck, the Uncle Knobheads are there already.
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.