"The skilled art of knowing what and how to say or do things to have your way, (even though someone is known for refusing, the act of mamagism might just let them be granted whatever they want, IF EXECUTED WITH FINESS)
"What mamagism is this? (Usually said when someone detects they are being tricked into agreeing to something they are set on disagreeing on)
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.