When a person see’s something that’s not even funny but starts laughing. Often results in trouble presenting school projects or speaking at public events.
Morgan let out a giggle during her presentation as her friend made faces from the back of the room. Her face turned red as she forgot her words and started hyperventilating of laughter. Laughingitous took over her body
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.