To do the bare minimum through sheer force of will.
i.e. just show up
Origin: in many University seminar classes, one gets five "participation marks" out of a possible 10 for merely attending the class.
Ben: Ugh man I hate my family and it's Thanksgiving!
Brian: So? Go for the five - eat dinner, hug your grandma, and peace out!
Ben: Yes. I will go for the five.
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.