When you are tired of eating the regular flavored Ramen noodles, you get creative and throw in random food items to spice up the flavor, just as those who are in prison would eat them.
Man, these Ramen noodles are tasting pretty bland, I think I need to throw in some chips and tobasco sauce...you know, make those prison style noodles.
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.