A thrift shopper who will stop at nothing to get a bargain; including trampling store employees to death. The term is a combination of "frugal" and the Spanish suffix "-ista" which connoting someone who is dedicated to a cause.
Black Friday saw the emergence of a new breed of shopper, the frugalistas, as they stampeded into a store for Christmas shopping; trampling an employee to death.
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.