Meaning Awesome or incredibly. But primarily used in reference to Usain Bolt, the world’s fastest man. The term was coined as part of a promotion by CarMax called “Usainly Fast Offers” where CarMax challenged Usain Bolt to race against their super fast online offers.
Dang, that was a usainly good commercial!
I just got a usainly fast offer on my car from CarMax
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.