an asshole driver who forces you to brake or switch lanes by staying in the far left lane (the one designated for faster traffic) and going slower than the appropriate speed for that lane; a real asshole.
friend 1: "dude, i hope we get home soon."
friend 2: "hey!! this asshole is going 10 under in a 55, what's his problem?"
friend 1: "what a left lane cock, you'll have to switch lanes."
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.