any non-computer game played during work hours to pass the time.
From the "The Office" episode "office olympics" - throwing paperclips into someone's coffee cup, bouncing a NERF football against the wall, taking bets on who will exit the elevator next, etc etc.
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.