Is a Scandinavian version of a basic bitch. A Gunnlaug is typically blonde, drives a Toyota Yaris and exclusively uses Apple products because "Everything else is ugly". If you wish to locate a Gunnlaug your best bet would be at the gym during daytime but at the club in the evening. A common indicator of being a Gunnlaug is having the same pose on every social media picture and a savage personality.
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.