The amount of timeleft in a day that is completely booked, which is to say, none.
Well, I have three finals today, a baseball game this afternoon and a date this evening, so I'd be happy to read your psych paper in my copious spare time.
A spin off Rene Descartes cogito argument, "Cogito ergo sim" suggests we are living in a post-singularity simulation at a time in the sim before the singularity happens.
A: "Do you think we are living in basereality or is this interactive 3-D experience a simulation?"
B: "Cogito, ergo sim."
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.