When you forget about a cup of tea because it was too hot and you were waiting for it to cool down and when you finally get to it, its cold, or you simply misplaced the cup only to realize later in panic
Barry: I made an amazing cup of tea but i managed to forget again! i must have Hyperteamesia
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.