Pooping on a toilet in a way that the toilet was not designed for. Example: squatting on western-style toilets.
Dude 1: Man, I just heard someone grunting unusually in the stall beside me. I suspect he was jaypooping.
Dude 2: Damn that’s gross, I’d avoid that stall in the future.
When the waves are 6-8 foot and offshore but suddenly an old injury's back to stop you from going out for a few.
When you ask a mate if he's keen for a surf and he makes some shit excuse because he's a bit scared. This is known as jaymooning in surfing circles on the south coast of nsw
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.