What someone would say at someone treading on someone else's claimed areas, cutting someone off, inhibiting someone's progress, messing up someone else's effort, giving the short end of the stick, flirting with a friends romantic interest, etc
Waitress: hey don't step on my toes, I'm trying to get a promotion. I need to bring my A game today so just stay out of my way. Okay? :)
Waiter 2: No problem, do your thing :)
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.