(1) Personal effects / acts of cleanliness performed in the bathroom before you hook up with someone for the first time in a sad attempt to make a great first impression in bed; (2) Cleaning yourself before a hook-up because you've been out and grody and didn't think you'd end up hooking up with someone.
She took a minibath in his sink and used his toothbrush to take care of business before they did the deed.
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.