this is a male, homosexual version of a blowjob with flamboyant pizzazz, and the touch and feel that only an adam's apple can provide.
Stephan asked Arturo if he was ready for some fellatio, and Arturo said that he was taking it to the next level and would provide him with a flaming yawn. Stephan replied "but we're vegan" and Arturo responded, "it's ok, I'll be the meat-eater tonight"
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.