A day that is meant not for working, though you are employed. Forwarding all calls and taking meetings via phone while you are shopping or at the beach.
"Let's Dunn Day it and take our calls and meeting from the beach after getting a massage..."
Living your best life doing it your way, leisure luxury, work hard to play hard. Don't be afraid to pursue your creative dreams, jump out that square tail box, its a Dunn'Day, do it your way.
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.