The piece of extra skin on the elbow which becomes flappy when the arm is extended. Through growth it becomes wrinkly and slightly crusted therefore leading to the name Rhino Skin because it is like a Rhinosorus's skin.
Damn My Rhino skin is rather crusty, I gotta get some lotion on that.
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.
You didn't get any napkins with your takeout pork fried rice? Womp womp.