It is used to refer to places, goods or services commonly endorsed or frequented by metrosexual people. It is used to indicate that some thing or some place has a metrosexual appeal. Metroactive can refer to locations such as bars, clubs, SPAs, gyms, stores and alike or other goods and services such as radio stations, movies, cars, colors, etc.
That is a metroactive location. The XXXmall is metroactive. That restaurant is metroactive. Did you see XXXX movie? it was borderline metroactive. That is a metroactive recipe. I like that tie, it is very metroactive.
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.