When someone becomes more attractive to you when you haven’t seen them in a long time. Basically, your image of them in your head becomes more attractive.
Matthew: I thought you were over Terrry?
Sam: I haven’t seen him in a month, and you know what they say, absence makes the dick grow harder.
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.