One who is Marcossexual will typically only be sexually attracted to and in love with Marcos. They often find themselves needing to kidnap and hold Marcos captive in their basement as their new pet, never being able to escape.
When you are in love with Marco Bodt (from attack on titan) so much to a point where you love him and him only and you get "offended" when someone makes a half joke about him aka freckled jesus.
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.