A nigga who isn't just a regular thieving, murdering son of a bitch but who goes one step further. They are the lowest of the low, essentially worth about as much as a piece of dirt.
This is a combination of the words nigger and cunt. It is mainly offensive to black women, however, since nigger and cunt are arguably the most offensive words in the english dictionary. Because it is so offensive, saying niggunt will magically create a train full of PC millenials appear, and they will kill you on the spot. If you are too much of a pussy to commit suicide, just say this word so you won't have to do it yourself.
Black Woman: "Stay the hell away from my child! You can't touch them!"
Me: "Niggunt"
Me: *dead*
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.