When you get fed up in an (usually upscale) store waiting too long in line or for a salesperson to help you out, you say this while exiting the store. You are calling the store inferior.
after 20 minutes looking for help or at a register:
C'mon man, Screw this Taco Stand, I get better service at Wally World.
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.