(verb). the opposite of bullshitting. When you put forth your full effort into something, but it's still shit.
Person 1: "Yo, I forgot about that project, I'mmajust be bullshitting it tonight."
Person 2: "No way, it's worth too much of our grade. I've been fullshitting it for weeks."
When somebody starts commenting on a subject in a philosophical way that is either entirely made up to "big themselves up" or something they know little or nothing about.
There he goes again, all fullofshitical about his days in the army!
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.