An article comprised mainly of a list of something annoying.
They are easy for content producers to create or plagiarize, and unlike news content, they remain "relevant" for years. Because they don't take long to read, visitors to the site are more likely to click on another listicle that interests them, generating more traffic. They are also bite-sized and frivolous enough to be shared on social media.
Listicles:
10 romcoms that were based on Greek tragedies
15 shocking things your cat doesn't tell you
The 7 things most commonly found in a celebrity's anus
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.