Flamebating is when one posts comments on forums such as those in Facebook to elicit an extremely strong response, or provoke argument with the intent to insult
Before every self-flagulating radio address, George Bush eats a can of beans, then sticks a microphone up his ass and lets it rip for the consumption of the nation.
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.