An expression that expresses the seriousness of a situation and a potential terrible result if a remedy is not found. Reference to children's Christmas specials where the plot centers around saving Christmas.
A decisive expression to indicate the last chance to save other lives when you are the responsible for them.
Capt. Chesley "Sully" Sullenberger made a final radio call to the air-traffic control tower from his crippled jet: "We're gonna be in the Hudson" before he glided the plane into the river rather than risking a catastrophic crash in a densely populated area, saving the lives of all 155 on board.
"whose ass is it gonna be" or WAITGB is used when trying to figure out who is to blame in a situation, usually to punish them.
Person 1: Someonerobbed a helpless elderly man.
Person 2: Alright, whose ass is it gonna be?
or it can be used jokingly
Person 1: Someone leaked a major spoiler for a highly anticipated movie.
Person2: Whose ass is it gonna be?
Teacher: .... Yes... you know what? Every word I utter from now on will be on your test. And, no, I will not slow down my lectures nor will I lessen the amount of information I will continuously vomit until the very second the bell rings.
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.