Someone who is completely retarded (retardation meaning literally someone who is slow) and is also homosexual. Also used as just "slomo"
Kevin: ...and then i told her to screw off and slapped her ass but then this really cute guy came up and I slapped his ass too
Jenkins: dude that guy is such a slomosexual
Eliza: agreed
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.