Giving a concession that sounds like something significant and is likely to get accepted as such, but in reality you've given away nothing of value, or something that you would have had to include anyway.
Bill: I gave that treadmill to the guy that bought my car to get him to say yes.
Bob: But you were already planning to give that to charity.
Bill: Exactly. I gave him the sleeves out of my vest.
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.