Its when rappers or singers bring Travis Scott as a guest but ended up getting their concert or performance stolen by Travis Scott. in summary, If you bring Travis Scott on your performance you best hope the La Flame Effect will happen and you should consider that it's not your concert anymore
Dude 1: Bro, Drake's concert is Lit! But Travis took the mf show
Dude 2: Shiiiiit La Flame Effect happened?
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.