Koch-head is a slang term for a politician who is hopelessly addicted to the toxic drug called kochaine. Kochaine is highly addictive and is ruining lives at this very moment. Koch-heads are volatile, erratic and highly dangerous when under the influence. Never make an attempt to reason with or apprehend a koch-head, simply call 911 and you will be helped by a local, unionized, law enforcement expert.
being denied access to something by someone with greater economic resources than yourself, such as your employer. refers to the koch brothers efforts to rob the american people of democracy through massive spending on political advertisement.
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.