Usually refers to a situation where a male is "doing" a female from behind at the top of a flight of stairs. Just before ejaculating, he pushes his partner's arms out from under her, and rides her down the stairs.
when you are banging your girl from behind in a doggie style position, you sweep her arms out from underneath her so her face slams the floor. best pulled on hardwood floors or tile.
while i was hammering my friend wife from behind like a ninja i pulled the snowmoblie on her.
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.