Used to describe a string of profanities. When relaying a story about someone who gets so frustrated that they start spewing a bunch of profanities, its easier to say 'frickle frackle' than to use the actual words that were said.
"Did you hear old man Hanson trying to start his car this morning, getting all mad, saying 'frickle frackle' and throwing his wrench at the dog.
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.