It's when you are having a pleasant conversation with someone, and suddenly a said buzzard decides to act tough and get all pissy.
It's male nonsense.
You'd think that being almost 350 years old they would learn but no.
They need to prove their dominance, puffing out their chest and throwing hands.
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.
You didn't get any napkins with your takeout pork fried rice? Womp womp.