Slang for a woman's vulva, specifically the labia majora, which in a non-aroused state resemble lips pressed together but with a distinctive, tight seam down the middle.
Mark: did you see Sandra in the nude?
Dave: yeah, she's got a nice rack and a cute little splitsie
Mark: what a doll!
An agreement arranged prior to eating in which two meals that are capable of being split in half (eg. a tuna sandwich and a low carb chicken wrap) are split evenly among the two diners, resulting in each of them having half of the other's meal.
Changing relationship status in facebook and removing the notification from the time-line in a split second so that your friends won't ask you why went from married to single.
"Joyce is no longer in a relationship"...Now click "Remove" on the notification in a split second before anyone reads about the change! That is a splitsecond split.
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.