This is a term used to a being whos hands are clammy but no moisture. When clammy your hands tend to feel like a smooth rubbery surface. McStevens is used to indicate a name. Plus it has a nice sound to it. So when called Clammy McStevens let it be known your hands are clammy. Remember this is not like Shlaggin Shaginsins Disease. because thats when there is exsesive amounts of moisture and sweating perfusely of the palms. Don't get the two confused.
Little Joe was walking down the street. Little did little joe notice Big Rob walking his way. Big Rob said "hello kind sir" They shook eachothers hands. Little Joe gave Big Rob a stare of confusion and ran down the street calling Big Rob Clammy Mcstevens...
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.