What you tell your parents or guardians you were doing in your room with your significant other, rather than telling them you were having sex in their house.
Parent: Hey kids, what are you doing up there in the dark?
That little shithead that has horrible burns and always trash talks you even though you didn't say anything. Also has a bad temper when all the people playing the game with him start trash talking him back.
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.